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violet · cool

#781ccc

a balanced, electric violet · cool · closest name: Dark Violet

Token name suggestion: True Iris

RGB
120, 28, 204
HSL
271°, 76%, 46%
CMYK
41, 86, 0, 20
Luminance
0.0918

#781ccc is a balanced electric violet, 271° on the wheel and 66/100 on the cool side. Put white text on it (7.40:1). As text it scores 7.40:1 on white — safe at any size. Nearest name is Dark Violet, nearest Tailwind family is violet.

hsl(271 76% 46%)rgb(120 28 204)Base step 600AAA inkCool

At a glance

Every number on this page in one read: what #781ccc is made of, how bright it looks, and which way it leans.

Hex
#781ccc
Hue
271°
violet
Saturation
76%
electric
Lightness
46%
balanced
Brightness
80%
HSV value
Perceived
38%
weighted brightness
Luminance
0.0918
WCAG relative
Temperature
Cool
66/100 cool
Color family
Violet
Tone
Electric
Best ink
White
7.40:1
Closest name
Dark Violet
ΔE2000 4.4
Chroma
98.3
LCH, 0–130ish
OKLCH L
0.482
perceptual lightness
Tailwind
violet
500 · ΔE 15.1
Web-safe
#6633CC
nearest of 216
Where it sits
Hue271° of 360°
Saturation76%
Lightness46%
Saturation × lightness field

Left edge is grey, right edge is full chroma; top is white, bottom is black. The dot is #781ccc.

Temperature
Warm ← → Cool66% cool

Reads cool. Warm and cool siblings keep the same lightness, so you can swap one in without redoing your contrast maths.

Luminance by channel
Red43%
Green9%
Blue47%

Green carries most of what the eye calls brightness — that is why WCAG weights it 0.7152.

Every format

HEX#781ccc
HEX (8-digit)#781cccff
RGBrgb(120, 28, 204)
RGBArgba(120, 28, 204, 1)
HSLhsl(271, 76%, 46%)
HSV / HSBhsv(271, 86%, 80%)
HWBhwb(271 11% 20%)
CMYKcmyk(41%, 86%, 0%, 20%)
LABlab(36.3 67.1 -71.8)
LCHlch(36.3 98.3 313.1)
OKLCHoklch(0.482 0.238 300.4)
XYZ (D65)xyz(19.06, 9.18, 57.88)
Decimal7871692
Display P3color(display-p3 0.471 0.110 0.800)
Web-safe#6633CC

Copy-ready code

every platformclick to select
/* CSS */
color: #781ccc;
background-color: #781ccc;
/* CSS custom property */
--brand: #781ccc;
/* Tailwind (arbitrary) */
class="text-[#781ccc] bg-[#781ccc]"
/* SCSS */
$brand: #781ccc;
/* SwiftUI */
Color(red: 0.471, green: 0.110, blue: 0.800)
/* UIKit */
UIColor(red: 0.471, green: 0.110, blue: 0.800, alpha: 1)
/* Android XML */
<color name="brand">#781CCC</color>
/* Android Compose */
Color(0xFF781CCC)
/* Flutter */
Color(0xFF781CCC)
/* Python / OpenCV (BGR) */
(204, 28, 120)
/* Python / PIL (RGB) */
(120, 28, 204)
/* Java AWT */
new Color(120, 28, 204)
/* .NET */
Color.FromArgb(255, 120, 28, 204)
/* OpenGL / Unity (0–1) */
(0.4706f, 0.1098f, 0.8000f, 1f)
/* LaTeX */
\definecolor{brand}{RGB}{120,28,204}
modern cssclick to select
/* mix without leaving CSS */
background: color-mix(in oklab, #781ccc 85%, white);
border-color: color-mix(in oklab, #781ccc 40%, transparent);
/* theme-aware in one line */
color: light-dark(#420F70, #E1D3EE);
/* relative colour syntax */
--hover: hsl(from #781ccc h s calc(l - 7));

Design tokens

The same ramp in the four formats a team actually needs. Paste one and the whole palette lands with it.

css custom propertiesclick to select
:root {
  --brand-50: #F8F3FC;
  --brand-100: #F0E7F9;
  --brand-200: #DFC8F4;
  --brand-300: #C99CF1;
  --brand-400: #AE6BEB;
  --brand-500: #933AE4;
  --brand-600: #781ccc;
  --brand-700: #6A19B3;
  --brand-800: #541490;
  --brand-900: #3F1268;
  --brand-950: #270C41;
  --brand: #781ccc;
  --brand-ink: #ffffff;
  --brand-surface: #F7F4FA;
  --brand-border: #D7C0ED;
  --brand-hover: #6618AD;
  --brand-pressed: #53138D;
}
@media (prefers-color-scheme: dark) {
  :root {
    --brand-surface: #1C1424;
    --brand-ink: #E1D3EE;
  }
}
tailwind.config.jsclick to select
theme: {
  extend: {
    colors: {
      brand: {
        50: '#F8F3FC',
        100: '#F0E7F9',
        200: '#DFC8F4',
        300: '#C99CF1',
        400: '#AE6BEB',
        500: '#933AE4',
        600: '#781ccc',
        700: '#6A19B3',
        800: '#541490',
        900: '#3F1268',
        950: '#270C41',
        DEFAULT: '#781ccc',
      },
    },
  },
}
scss mapclick to select
$brand: (
  '50': #F8F3FC,
  '100': #F0E7F9,
  '200': #DFC8F4,
  '300': #C99CF1,
  '400': #AE6BEB,
  '500': #933AE4,
  '600': #781ccc,
  '700': #6A19B3,
  '800': #541490,
  '900': #3F1268,
  '950': #270C41,
);
$brand-base: #781ccc;
$brand-ink: #ffffff;

@function brand($step) { @return map-get($brand, $step); }
w3c design tokens (json)click to select
{
  "color": {
    "brand": {
      "50": { "$value": "#F8F3FC", "$type": "color" },
      "100": { "$value": "#F0E7F9", "$type": "color" },
      "200": { "$value": "#DFC8F4", "$type": "color" },
      "300": { "$value": "#C99CF1", "$type": "color" },
      "400": { "$value": "#AE6BEB", "$type": "color" },
      "500": { "$value": "#933AE4", "$type": "color" },
      "600": { "$value": "#781ccc", "$type": "color" },
      "700": { "$value": "#6A19B3", "$type": "color" },
      "800": { "$value": "#541490", "$type": "color" },
      "900": { "$value": "#3F1268", "$type": "color" },
      "950": { "$value": "#270C41", "$type": "color" }
    },
    "brandInk": { "$value": "#ffffff", "$type": "color" }
  }
}

Best text color

Only one of black and white can be right. This is the one, with the number that proves it.

Readable at a glance#ffffff on #781ccc · 7.40:1
Use #ffffffAAA at every size.
Aa
12px
Aa
16px
Aa
24px
Aa
White text · 7.40:1 · recommended
AA pass · AA large pass · AAA pass
Aa
Black text · 2.84:1
AA fail · AA large fail · AAA fail
Reading the other direction: #781ccc as text scores 7.40:1 on white and 2.84:1 on black.
Best tinted ink on it, if plain black or white feels flat: #F3E9FC at 6.30:1.

Make it accessible

A contrast checker tells you that you failed. This tells you what to ship instead — same hue, same saturation, lightness moved only as far as WCAG demands.

The quick fox
#781ccc · 7.40:1
AA on whitealready passes
#781ccc
The quick fox
#781ccc · 7.40:1
AAA on whitealready passes
#781ccc
The quick fox
#9E4EE7 · 4.70:1
AA on black+15% L
#9E4EE7
The quick fox
#B67BED · 7.05:1
AAA on black+25% L
#B67BED

Large text — 24px regular or 18.66px bold and above — only needs 3:1, so #781CCC is enough for headings on white. Non-text elements such as icons, chart strokes and focus rings also sit at 3:1 under WCAG 2.2 (1.4.11).

Accessibility — WCAG contrast

Aa
#781ccc on white: 7.40:1
AA ✓ pass · AA-large · AAA
Aa
#781ccc on black: 2.84:1
AA ✗ fail · AA-large · AAA
Against the neutral ladder

Contrast is symmetric, so each row covers both directions: #781ccc as text on that neutral, and that neutral as text on #781ccc.

NeutralRatioBoth directions
White7.40:1AaAa
Slate 507.08:1AaAa
Slate 1006.76:1AaAa
Slate 2006.01:1AaAa
Slate 3004.99:1AaAa
Slate 4002.89:1AaAa
Slate 5001.56:1AaAa
Slate 6001.02:1AaAa
Slate 7001.40:1AaAa
Slate 8001.98:1AaAa
Slate 9002.41:1AaAa
Black2.84:1AaAa
Colour vision deficiency
true color
protanopia · #0055D0
deuteranopia · #0054C9
tritanopia · #645279

Roughly one man in twelve has some form of colour vision deficiency. If any of the three panels above is hard to tell apart from a neighbouring colour in your palette, add a shape, an icon or a label so the meaning does not rest on hue alone.

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #781ccc is pinned to step 600; the rest hold its hue and let saturation ease off at the extremes so the pale end never turns neon.

#F8F3FC
#F0E7F9
#DFC8F4
#C99CF1
#AE6BEB
#933AE4
#781ccc
#6A19B3
#541490
#3F1268
#270C41
Base = 600Lightest = 50 · #F8F3FCDarkest = 950 · #270C41Text step on white = 500
Perceptual ramp — OKLCH

The same eleven steps expressed in OKLCH, where equal lightness numbers actually look equally spaced. HSL ramps go muddy in the yellows and washed out in the blues; this one does not. Modern browsers render it natively — the hex ramp above is the fallback.

50100200300400500600700800900950
oklch tokensclick to select
:root {
  --brand-50: oklch(0.97 0.060 300.4);
  --brand-100: oklch(0.94 0.095 300.4);
  --brand-200: oklch(0.88 0.143 300.4);
  --brand-300: oklch(0.80 0.186 300.4);
  --brand-400: oklch(0.72 0.219 300.4);
  --brand-500: oklch(0.64 0.238 300.4);
  --brand-600: oklch(0.56 0.238 300.4);
  --brand-700: oklch(0.48 0.224 300.4);
  --brand-800: oklch(0.40 0.200 300.4);
  --brand-900: oklch(0.32 0.167 300.4);
  --brand-950: oklch(0.24 0.131 300.4);
}

Colors that work with #781ccc

Not a palette — a role sheet. Each swatch answers one question you will hit while building the component.

Text on it#ffffff
White wins here
Surface#F7F4FA
Tinted page background
Border#D7C0ED
Hairlines and dividers
Muted text#754B9B
Captions on the surface
Accent#8BB814
Second voice, not a rival
Dark variant#420F70
Hover, pressed, headers
Light variant#F3E9FC
Selected rows, tints
Dark surface#1C1424
Dark-mode background
Hover#6618AD
One step down in lightness
Pressed#53138D
Two steps down
Disabled#AD9ABE
Chroma pulled out
Focus ring#8312EB
Offset from the fill so it reads
Light mode
Everything in its place

Surface, border, heading and body all derive from this one hue, so the screen stays coherent without a second palette.

Primary actionSecondaryBadge
Dark mode
Same hue, inverted

Lightness flips, hue holds. The accent stays the anchor in both themes.

Primary actionSecondaryAccent

In real components

The same eight roles, wired into the interface patterns you will actually build with them. Every state below is a computed value, not a mock-up.

Buttons and states
Save changesHoverPressedDisabled
OutlineSubtleLinkFocused
Form field
you@company.com

Focus ring uses the light variant so the field still reads as one shape.

Send me product updates
Notice
Your export is ready

The file stays available for seven days. Download it before it expires.

NewBetaDraft
Data
Storage used68%
Acme LtdActive
NorthwindTrial
GlobexActive

How to use #781ccc

Derived from its contrast, chroma and lightness — not from taste.

Works well for
  • Body text and links on white
  • Primary buttons and calls to action
  • Focus rings, active and selected states
  • Brand accents, badges and data highlights
  • Chart series and data categories
Use with care
  • Text on black or near-black surfaces
  • Full-page backgrounds — tiring over long sessions
  • Pairing with a same-lightness hue — edges vibrate
Minimum size as text on white
Any size
Safe as a fill behind white type
Yes
Safe as a 1px border on white
Yes

Meaning and mood

What a colour in this family tends to signal, and how this particular chroma and lightness change the reading.

creativepremiummodernimaginative

Violet sits between the warmth of red and the calm of blue, so it reads as inventive without reading as risky. Current shorthand for software craft.

At this chroma the association is amplified — it will dominate anything placed beside it, so give it space and use it sparingly. The mid lightness keeps it versatile in both themes.

Worth knowing

Deep violets swallow detail on screens with poor gamma; check it on a cheap laptop panel.

Reads as
  • FormalityLow
  • EnergyHigh
  • Weight55/100
  • TemperatureCool
  • ApproachabilityReserved

Colour associations are cultural and vary by market. Treat these as a starting point for a conversation with your audience, not a finding about them.

Similar colors

One move away from this hex in each direction. Every swatch is its own page.

Color relationships

The wheel positions with their names attached, so you can grab the one you actually need.

Complementary#70CC1C
Analogous left#201CCC
Analogous right#CC1CC8
Split-complement 1#C8CC1C
Split-complement 2#1CCC20
Triadic 1#CC781C
Triadic 2#1CCC78
Tetradic#CC201C
On the wheel
Base+30°−30°+120°+240°+180°271°

#781ccc sits at 271°. Every dot is a harmony position and links to its own page in the table alongside.

RGB percentages

Red47.1%
Green11.0%
Blue80.0%
R · 0–255
120
0x78
G · 0–255
28
0x1c
B · 0–255
204
0xcc

CMYK percentages

Cyan41.2%
Magenta86.3%
Yellow0.0%
Key (black)20.0%

Total ink coverage is 148%. Most commercial presses cap around 300% — above that, sheets stop drying properly.

Color previews

#781ccc text on a black background

contrast 2.84:1

Card sample

#781ccc text on a white background

contrast 7.40:1

Card sample

#781ccc on grey

6.76:1

#781ccc on its own surface

6.80:1

#781ccc on its dark surface

2.41:1

CSS3 live lab

Text font color

The quick brown fox

color: #781ccc;
Background color
Panel with #781ccc background
background-color: #781ccc;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #781ccc;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(120, 28, 204, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(120, 28, 204, 0.45);
Border & gradient
Gradient panel
border: 3px solid #781ccc;
background: linear-gradient(135deg, #781ccc, #CC1CAB);
Gradient text

Gradient headline

background: linear-gradient(90deg, #781ccc, #CC1C7F);
-webkit-background-clip: text;
color: transparent;
Focus ring
Focused control
outline: 2px solid #781ccc;
outline-offset: 3px;
Underline & caret

Marked up text

text-decoration-color: #781ccc;
caret-color: #781ccc;
Left rule
Pull quote or callout
border-left: 4px solid #781ccc;
Ring + tint
Selected chip
background: #F3E9FC;
box-shadow: inset 0 0 0 2px #781ccc;
Conic badge
68%
background: conic-gradient(#781ccc 68%, #e2e8f0 0);

Transparency

What each alpha value actually composites to. The top row is #781ccc over white; the bottom row is the same alpha over a checkerboard, so you can see what survives on a photo or a video.

Bottom row of hexes is the flattened result over white — use those when a design tool refuses transparency, or when you need a solid fallback.

alpha in every syntaxclick to select
rgba(120, 28, 204, 0.5)
rgb(120 28 204 / 50%)
#781ccc80
hsl(271 76% 46% / 50%)
color-mix(in srgb, #781ccc 50%, transparent)
Alpha8-digit hexFlat on white
10%#781ccc1a#F2E8FA
20%#781ccc33#E4D2F5
40%#781ccc66#C9A4EB
60%#781ccc99#AE77E0
80%#781ccccc#9349D6

Gradients from #781ccc

Six recipes, each built from this hex and shown with the exact CSS that produced it.

Elevation
Same hue, three lightnesses — safe anywhere
background: linear-gradient(135deg, #9640E5, #781ccc 45%, #420F70);
Duotone
A short hue run reads richer than a flat fill
background: linear-gradient(120deg, #781ccc, #B11887);
Complement sweep
Loud — keep it behind large type only
background: linear-gradient(90deg, #781ccc, #70CC1C);
Spotlight
Hero panels and app headers
background: radial-gradient(120% 120% at 20% 0%, #A55BE9 0%, #781ccc 45%, #420F70 100%);
Soft wash
Section backgrounds that stay readable
background: linear-gradient(180deg, #F7F4FA, #ffffff);
Mesh
Ambient background, no image weight
background: radial-gradient(60% 60% at 15% 20%, #3742E4 0%, transparent 60%), radial-gradient(55% 55% at 85% 15%, #E125CD 0%, transparent 60%), radial-gradient(70% 70% at 50% 95%, #420F70 0%, transparent 65%), #781ccc;

Monochromatic scale

Palettes built from #781ccc

Shades — darker

Tints — lighter

Tones — desaturated

Color harmonies

Nearest named colors

Ranked with CIEDE2000 across all 139 CSS keywords. Under ΔE 2 the eye stops telling them apart; over ΔE 10 they are plainly different colors.

#781ccc in the real world

Where a color in this family tends to land, and the interface roles it is usually asked to play.

Industries
Creative toolsFintechBeautyLuxury
Common UI roles
ButtonsLinksFocus statesCharts
Print note

Sits outside most CMYK gamuts — expect a duller press result, or specify a spot ink.

On screens

Holds up across typical panel gamma. Still worth checking on an uncalibrated laptop, where mid-tones shift most.

In dark mode

Too dim on dark surfaces at 2.84:1 — lift it to #9E4EE7 for body text, or reserve it for fills.

Explore nearby colors

Small, deliberate steps away from this hex — useful when you are hunting for the version of a colour that finally feels right.

#781ccc, answered

What color is #781ccc?

#781ccc is a balanced electric violet, closest to Dark Violet (ΔE2000 4.4). It sits at 271° on the hue wheel with 76% saturation and 46% lightness, which reads as cool.

What is the RGB value of #781ccc?

rgb(120, 28, 204) — 120 red, 28 green and 204 blue out of 255, or 47.1% / 11% / 80% by channel.

What is #781ccc in HSL and HSV?

hsl(271, 76%, 46%) and hsv(271, 86%, 80%). HSL is what CSS takes; HSV is what your design tool's picker shows, which is why the saturation numbers rarely match.

Is #781ccc a light or a dark color?

It is a dark color. Relative luminance is 0.0918 and perceived brightness is 38%, so white text on it reaches 7.40:1.

Should I use black or white text on #781ccc?

White. It scores 7.40:1 against #781ccc, versus 2.84:1 for black — AAA at any size.

Is #781ccc accessible on a white background?

#781ccc on white scores 7.40:1, which clears AAA at every size.

What is the complementary color of #781ccc?

#70CC1C sits directly opposite on the wheel. Softer options are the split-complements #C8CC1C and #1CCC20, which give the same contrast with far less vibration.

What colors go well with #781ccc?

For interface work: #F7F4FA as the surface, #D7C0ED for borders, #754B9B for secondary text, #8BB814 as an accent and #420F70 for hover and pressed states. For a palette, the analogous pair #201CCC and #CC1CC8 stays calm, while #70CC1C is the loudest partner.

What is #781ccc in CMYK for printing?

cmyk(41%, 86%, 0%, 20%). This is a screen-to-ink approximation — a color this saturated sits outside most CMYK gamuts and will print duller than it looks here.

Is #781ccc warm or cool?

Cool — it scores 66 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #B91CCC; nudged cooler, #361ACE.

Which Tailwind color is closest to #781ccc?

The violet family — its 500 step is #8b5cf6, ΔE2000 15.1 away. That is a visible difference, so define #781ccc as a custom token rather than reaching for the built-in.

How do I use #781ccc in Tailwind CSS?

Inline it as an arbitrary value with bg-[#781ccc] or text-[#781ccc], or register the whole ramp under theme.extend.colors.brand so you get bg-brand-500 and friends. The generated 50–950 scale on this page is ready to paste into your config.

What is #781ccc with 50% opacity?

rgba(120, 28, 204, 0.5), or #781ccc80 in eight-digit hex. Over white that composites to #BC8EE6; over black, #3C0E66.

Is #781ccc a web-safe color?

No. The nearest web-safe colour is #6633CC, ΔE2000 3.9 away. The palette only matters for legacy displays and some email clients now.

What does the color #781ccc mean?

As a violet, it reads creative, premium, modern. Violet sits between the warmth of red and the calm of blue, so it reads as inventive without reading as risky. Current shorthand for software craft. At this chroma the effect is amplified — it will dominate whatever sits beside it.

What gradient works with #781ccc?

The safest is same-hue elevation: linear-gradient(135deg, #9640E5, #781ccc 45%, #420F70). For more colour, a short hue run to #B11887 keeps it rich without turning muddy.

Work with #781ccc in the Color Lab

Every tool opens with this colour already loaded.

Every value on this page is computed from #781ccc at request time — conversions, contrast ratios and ΔE distances are calculated, never looked up.