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violet · cool

#7f63cd

a balanced, vivid violet · cool · closest name: Slate Blue

Token name suggestion: Studio Plum

RGB
127, 99, 205
HSL
256°, 52%, 60%
CMYK
38, 52, 0, 20
Luminance
0.1784

#7f63cd is a balanced vivid violet, 256° on the wheel and 75/100 on the cool side. Put white text on it (4.60:1). As text it scores 4.60:1 on white — safe at any size. Nearest name is Slate Blue, nearest Tailwind family is violet.

hsl(256 52% 60%)rgb(127 99 205)Base step 500AA inkCool

At a glance

Every number on this page in one read: what #7f63cd is made of, how bright it looks, and which way it leans.

Hex
#7f63cd
Hue
256°
violet
Saturation
52%
vivid
Lightness
60%
balanced
Brightness
80%
HSV value
Perceived
49%
weighted brightness
Luminance
0.1784
WCAG relative
Temperature
Cool
75/100 cool
Color family
Violet
Tone
Vivid
Best ink
White
4.60:1
Closest name
Slate Blue
ΔE2000 4.8
Chroma
62.4
LCH, 0–130ish
OKLCH L
0.578
perceptual lightness
Tailwind
violet
500 · ΔE 6.2
Web-safe
#6666CC
nearest of 216
Where it sits
Hue256° of 360°
Saturation52%
Lightness60%
Saturation × lightness field

Left edge is grey, right edge is full chroma; top is white, bottom is black. The dot is #7f63cd.

Temperature
Warm ← → Cool75% 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
Red25%
Green50%
Blue25%

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

Every format

HEX#7f63cd
HEX (8-digit)#7f63cdff
RGBrgb(127, 99, 205)
RGBArgba(127, 99, 205, 1)
HSLhsl(256, 52%, 60%)
HSV / HSBhsv(256, 52%, 80%)
HWBhwb(256 39% 20%)
CMYKcmyk(38%, 52%, 0%, 20%)
LABlab(49.3 35.5 -51.3)
LCHlch(49.3 62.4 304.7)
OKLCHoklch(0.578 0.158 293.0)
XYZ (D65)xyz(24.23, 17.84, 59.91)
Decimal8348621
Display P3color(display-p3 0.498 0.388 0.804)
Web-safe#6666CC

Copy-ready code

every platformclick to select
/* CSS */
color: #7f63cd;
background-color: #7f63cd;
/* CSS custom property */
--brand: #7f63cd;
/* Tailwind (arbitrary) */
class="text-[#7f63cd] bg-[#7f63cd]"
/* SCSS */
$brand: #7f63cd;
/* SwiftUI */
Color(red: 0.498, green: 0.388, blue: 0.804)
/* UIKit */
UIColor(red: 0.498, green: 0.388, blue: 0.804, alpha: 1)
/* Android XML */
<color name="brand">#7F63CD</color>
/* Android Compose */
Color(0xFF7F63CD)
/* Flutter */
Color(0xFF7F63CD)
/* Python / OpenCV (BGR) */
(205, 99, 127)
/* Python / PIL (RGB) */
(127, 99, 205)
/* Java AWT */
new Color(127, 99, 205)
/* .NET */
Color.FromArgb(255, 127, 99, 205)
/* OpenGL / Unity (0–1) */
(0.4980f, 0.3882f, 0.8039f, 1f)
/* LaTeX */
\definecolor{brand}{RGB}{127,99,205}
modern cssclick to select
/* mix without leaving CSS */
background: color-mix(in oklab, #7f63cd 85%, white);
border-color: color-mix(in oklab, #7f63cd 40%, transparent);
/* theme-aware in one line */
color: light-dark(#301F61, #DAD3EE);
/* relative colour syntax */
--hover: hsl(from #7f63cd 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: #F6F4FA;
  --brand-100: #EDEAF6;
  --brand-200: #D7CFED;
  --brand-300: #B9AAE4;
  --brand-400: #9680D6;
  --brand-500: #7f63cd;
  --brand-600: #5D3BB9;
  --brand-700: #4D319B;
  --brand-800: #3E287C;
  --brand-900: #2F205A;
  --brand-950: #1E1438;
  --brand: #7f63cd;
  --brand-ink: #ffffff;
  --brand-surface: #F6F4FA;
  --brand-border: #CCC1EB;
  --brand-hover: #6948C4;
  --brand-pressed: #5838B0;
}
@media (prefers-color-scheme: dark) {
  :root {
    --brand-surface: #181424;
    --brand-ink: #DAD3EE;
  }
}
tailwind.config.jsclick to select
theme: {
  extend: {
    colors: {
      brand: {
        50: '#F6F4FA',
        100: '#EDEAF6',
        200: '#D7CFED',
        300: '#B9AAE4',
        400: '#9680D6',
        500: '#7f63cd',
        600: '#5D3BB9',
        700: '#4D319B',
        800: '#3E287C',
        900: '#2F205A',
        950: '#1E1438',
        DEFAULT: '#7f63cd',
      },
    },
  },
}
scss mapclick to select
$brand: (
  '50': #F6F4FA,
  '100': #EDEAF6,
  '200': #D7CFED,
  '300': #B9AAE4,
  '400': #9680D6,
  '500': #7f63cd,
  '600': #5D3BB9,
  '700': #4D319B,
  '800': #3E287C,
  '900': #2F205A,
  '950': #1E1438,
);
$brand-base: #7f63cd;
$brand-ink: #ffffff;

@function brand($step) { @return map-get($brand, $step); }
w3c design tokens (json)click to select
{
  "color": {
    "brand": {
      "50": { "$value": "#F6F4FA", "$type": "color" },
      "100": { "$value": "#EDEAF6", "$type": "color" },
      "200": { "$value": "#D7CFED", "$type": "color" },
      "300": { "$value": "#B9AAE4", "$type": "color" },
      "400": { "$value": "#9680D6", "$type": "color" },
      "500": { "$value": "#7f63cd", "$type": "color" },
      "600": { "$value": "#5D3BB9", "$type": "color" },
      "700": { "$value": "#4D319B", "$type": "color" },
      "800": { "$value": "#3E287C", "$type": "color" },
      "900": { "$value": "#2F205A", "$type": "color" },
      "950": { "$value": "#1E1438", "$type": "color" }
    },
    "brandInk": { "$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 #7f63cd · 4.60:1
Use #ffffffAA at every size, AAA for large text only.
Aa
12px
Aa
16px
Aa
24px
Aa
White text · 4.60:1 · recommended
AA pass · AA large pass · AAA fail
Aa
Black text · 4.57:1
AA pass · AA large pass · AAA fail
Reading the other direction: #7f63cd as text scores 4.60:1 on white and 4.57:1 on black.
Best tinted ink on it, if plain black or white feels flat: #EFECF9 at 3.95:1.

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
#7f63cd · 4.60:1
AA on whitealready passes
#7f63cd
The quick fox
#603DC0 · 7.18:1
AAA on white−10% L
#603DC0
The quick fox
#7f63cd · 4.57:1
AA on blackalready passes
#7f63cd
The quick fox
#9F8AD9 · 7.11:1
AAA on black+10% L
#9F8AD9

Large text — 24px regular or 18.66px bold and above — only needs 3:1, so #7F63CD 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
#7f63cd on white: 4.60:1
AA ✓ pass · AA-large · AAA
Aa
#7f63cd on black: 4.57:1
AA ✓ pass · AA-large · AAA
Against the neutral ladder

Contrast is symmetric, so each row covers both directions: #7f63cd as text on that neutral, and that neutral as text on #7f63cd.

NeutralRatioBoth directions
White4.60:1AaAa
Slate 504.39:1AaAa
Slate 1004.20:1AaAa
Slate 2003.73:1AaAa
Slate 3003.10:1AaAa
Slate 4001.79:1AaAa
Slate 5001.04:1AaAa
Slate 6001.65:1AaAa
Slate 7002.25:1AaAa
Slate 8003.18:1AaAa
Slate 9003.88:1AaAa
Black4.57:1AaAa
Colour vision deficiency
true color
protanopia · #3777D1
deuteranopia · #3D73CB
tritanopia · #6B798F

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. #7f63cd is pinned to step 500; the rest hold its hue and let saturation ease off at the extremes so the pale end never turns neon.

#F6F4FA
#EDEAF6
#D7CFED
#B9AAE4
#9680D6
#7f63cd
#5D3BB9
#4D319B
#3E287C
#2F205A
#1E1438
Base = 500Lightest = 50 · #F6F4FADarkest = 950 · #1E1438Text 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 0.039 293.0);
  --brand-100: oklch(0.94 0.063 293.0);
  --brand-200: oklch(0.88 0.095 293.0);
  --brand-300: oklch(0.80 0.123 293.0);
  --brand-400: oklch(0.72 0.145 293.0);
  --brand-500: oklch(0.64 0.158 293.0);
  --brand-600: oklch(0.56 0.158 293.0);
  --brand-700: oklch(0.48 0.148 293.0);
  --brand-800: oklch(0.40 0.133 293.0);
  --brand-900: oklch(0.32 0.110 293.0);
  --brand-950: oklch(0.24 0.087 293.0);
}

Colors that work with #7f63cd

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#F6F4FA
Tinted page background
Border#CCC1EB
Hairlines and dividers
Muted text#604B9B
Captions on the surface
Accent#9D9E2E
Second voice, not a rival
Dark variant#301F61
Hover, pressed, headers
Light variant#EFECF9
Selected rows, tints
Dark surface#181424
Dark-mode background
Hover#6948C4
One step down in lightness
Pressed#5838B0
Two steps down
Disabled#CBC6DA
Chroma pulled out
Focus ring#8769DB
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 #7f63cd

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

Works well for
  • Body text and links on white
  • Text and icons on dark surfaces
  • 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
  • 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.

This is a confident chroma: strong enough to lead a brand, restrained enough to live in an interface all day. 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
  • FormalityMedium
  • EnergyMedium-high
  • Weight40/100
  • 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#B1CD63
Analogous left#637CCD
Analogous right#B463CD
Split-complement 1#CDB463
Split-complement 2#7CCD63
Triadic 1#CD7F63
Triadic 2#63CD7F
Tetradic#CD637C
On the wheel
Base+30°−30°+120°+240°+180°256°

#7f63cd sits at 256°. Every dot is a harmony position and links to its own page in the table alongside.

RGB percentages

Red49.8%
Green38.8%
Blue80.4%
R · 0–255
127
0x7f
G · 0–255
99
0x63
B · 0–255
205
0xcd

CMYK percentages

Cyan38.0%
Magenta51.7%
Yellow0.0%
Key (black)19.6%

Total ink coverage is 109%. Most commercial presses cap around 300% — above that, sheets stop drying properly.

Color previews

#7f63cd text on a black background

contrast 4.57:1

Card sample

#7f63cd text on a white background

contrast 4.60:1

Card sample

#7f63cd on grey

4.20:1

#7f63cd on its own surface

4.21:1

#7f63cd on its dark surface

3.92:1

CSS3 live lab

Text font color

The quick brown fox

color: #7f63cd;
Background color
Panel with #7f63cd background
background-color: #7f63cd;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #7f63cd;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(127, 99, 205, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(127, 99, 205, 0.45);
Border & gradient
Gradient panel
border: 3px solid #7f63cd;
background: linear-gradient(135deg, #7f63cd, #C663CD);
Gradient text

Gradient headline

background: linear-gradient(90deg, #7f63cd, #CD63BA);
-webkit-background-clip: text;
color: transparent;
Focus ring
Focused control
outline: 2px solid #7f63cd;
outline-offset: 3px;
Underline & caret

Marked up text

text-decoration-color: #7f63cd;
caret-color: #7f63cd;
Left rule
Pull quote or callout
border-left: 4px solid #7f63cd;
Ring + tint
Selected chip
background: #EFECF9;
box-shadow: inset 0 0 0 2px #7f63cd;
Conic badge
68%
background: conic-gradient(#7f63cd 68%, #e2e8f0 0);

Transparency

What each alpha value actually composites to. The top row is #7f63cd 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(127, 99, 205, 0.5)
rgb(127 99 205 / 50%)
#7f63cd80
hsl(256 52% 60% / 50%)
color-mix(in srgb, #7f63cd 50%, transparent)
Alpha8-digit hexFlat on white
10%#7f63cd1a#F2EFFA
20%#7f63cd33#E5E0F5
40%#7f63cd66#CCC1EB
60%#7f63cd99#B2A1E1
80%#7f63cdcc#9982D7

Gradients from #7f63cd

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, #A591DC, #7f63cd 45%, #301F61);
Duotone
A short hue run reads richer than a flat fill
background: linear-gradient(120deg, #7f63cd, #C64CC4);
Complement sweep
Loud — keep it behind large type only
background: linear-gradient(90deg, #7f63cd, #B1CD63);
Spotlight
Hero panels and app headers
background: radial-gradient(120% 120% at 20% 0%, #B8A8E3 0%, #7f63cd 45%, #301F61 100%);
Soft wash
Section backgrounds that stay readable
background: linear-gradient(180deg, #F6F4FA, #ffffff);
Mesh
Ambient background, no image weight
background: radial-gradient(60% 60% at 15% 20%, #8AA3D9 0%, transparent 60%), radial-gradient(55% 55% at 85% 15%, #C77AD4 0%, transparent 60%), radial-gradient(70% 70% at 50% 95%, #301F61 0%, transparent 65%), #7f63cd;

Monochromatic scale

Palettes built from #7f63cd

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.

#7f63cd 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

Converts to four-color process without much drama. Proof it anyway.

On screens

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

In dark mode

Usable as-is on a dark surface at 4.57:1.

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.

#7f63cd, answered

What color is #7f63cd?

#7f63cd is a balanced vivid violet, closest to Slate Blue (ΔE2000 4.8). It sits at 256° on the hue wheel with 52% saturation and 60% lightness, which reads as cool.

What is the RGB value of #7f63cd?

rgb(127, 99, 205) — 127 red, 99 green and 205 blue out of 255, or 49.8% / 38.8% / 80.4% by channel.

What is #7f63cd in HSL and HSV?

hsl(256, 52%, 60%) and hsv(256, 52%, 80%). HSL is what CSS takes; HSV is what your design tool's picker shows, which is why the saturation numbers rarely match.

Is #7f63cd a light or a dark color?

It is a dark color. Relative luminance is 0.1784 and perceived brightness is 49%, so white text on it reaches 4.60:1.

Should I use black or white text on #7f63cd?

White. It scores 4.60:1 against #7f63cd, versus 4.57:1 for black — AA at any size.

Is #7f63cd accessible on a white background?

#7f63cd on white scores 4.60:1, which clears AA at every size but not AAA.

What is the complementary color of #7f63cd?

#B1CD63 sits directly opposite on the wheel. Softer options are the split-complements #CDB463 and #7CCD63, which give the same contrast with far less vibration.

What colors go well with #7f63cd?

For interface work: #F6F4FA as the surface, #CCC1EB for borders, #604B9B for secondary text, #9D9E2E as an accent and #301F61 for hover and pressed states. For a palette, the analogous pair #637CCD and #B463CD stays calm, while #B1CD63 is the loudest partner.

What is #7f63cd in CMYK for printing?

cmyk(38%, 52%, 0%, 20%). This is a screen-to-ink approximation — ask your printer for a proof before committing to a run.

Is #7f63cd warm or cool?

Cool — it scores 75 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #A663CD; nudged cooler, #616CCF.

Which Tailwind color is closest to #7f63cd?

The violet family — its 500 step is #8b5cf6, ΔE2000 6.2 away. That is a visible difference, so define #7f63cd as a custom token rather than reaching for the built-in.

How do I use #7f63cd in Tailwind CSS?

Inline it as an arbitrary value with bg-[#7f63cd] or text-[#7f63cd], 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 #7f63cd with 50% opacity?

rgba(127, 99, 205, 0.5), or #7f63cd80 in eight-digit hex. Over white that composites to #BFB1E6; over black, #403267.

Is #7f63cd a web-safe color?

No. The nearest web-safe colour is #6666CC, ΔE2000 5.4 away. The palette only matters for legacy displays and some email clients now.

What does the color #7f63cd 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 #7f63cd?

The safest is same-hue elevation: linear-gradient(135deg, #A591DC, #7f63cd 45%, #301F61). For more colour, a short hue run to #C64CC4 keeps it rich without turning muddy.

Work with #7f63cd in the Color Lab

Every tool opens with this colour already loaded.

Every value on this page is computed from #7f63cd at request time — conversions, contrast ratios and ΔE distances are calculated, never looked up.