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violet · cool

#571c82

a dark, vivid violet · cool · closest name: Indigo

Token name suggestion: Forest Iris

RGB
87, 28, 130
HSL
275°, 65%, 31%
CMYK
33, 79, 0, 49
Luminance
0.0447

#571c82 is a dark vivid violet, 275° on the wheel and 64/100 on the cool side. Put white text on it (11.09:1). As text it scores 11.09:1 on white — safe at any size. Nearest name is Indigo, nearest Tailwind family is violet.

hsl(275 65% 31%)rgb(87 28 130)Base step 800AAA inkCool

At a glance

Every number on this page in one read: what #571c82 is made of, how bright it looks, and which way it leans.

Hex
#571c82
Hue
275°
violet
Saturation
65%
vivid
Lightness
31%
dark
Brightness
51%
HSV value
Perceived
27%
weighted brightness
Luminance
0.0447
WCAG relative
Temperature
Cool
64/100 cool
Color family
Violet
Tone
Vivid
Best ink
White
11.09:1
Closest name
Indigo
ΔE2000 4.2
Chroma
64.1
LCH, 0–130ish
OKLCH L
0.375
perceptual lightness
Tailwind
violet
500 · ΔE 24.2
Web-safe
#663399
nearest of 216
Where it sits
Hue275° of 360°
Saturation65%
Lightness31%
Saturation × lightness field

Left edge is grey, right edge is full chroma; top is white, bottom is black. The dot is #571c82.

Temperature
Warm ← → Cool64% 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
Red45%
Green19%
Blue36%

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

Every format

HEX#571c82
HEX (8-digit)#571c82ff
RGBrgb(87, 28, 130)
RGBArgba(87, 28, 130, 1)
HSLhsl(275, 65%, 31%)
HSV / HSBhsv(275, 78%, 51%)
HWBhwb(275 11% 49%)
CMYKcmyk(33%, 79%, 0%, 49%)
LABlab(25.2 45.1 -45.6)
LCHlch(25.2 64.1 314.7)
OKLCHoklch(0.375 0.161 306.2)
XYZ (D65)xyz(8.37, 4.47, 21.54)
Decimal5708930
Display P3color(display-p3 0.341 0.110 0.510)
Web-safe#663399

Copy-ready code

every platformclick to select
/* CSS */
color: #571c82;
background-color: #571c82;
/* CSS custom property */
--brand: #571c82;
/* Tailwind (arbitrary) */
class="text-[#571c82] bg-[#571c82]"
/* SCSS */
$brand: #571c82;
/* SwiftUI */
Color(red: 0.341, green: 0.110, blue: 0.510)
/* UIKit */
UIColor(red: 0.341, green: 0.110, blue: 0.510, alpha: 1)
/* Android XML */
<color name="brand">#571C82</color>
/* Android Compose */
Color(0xFF571C82)
/* Flutter */
Color(0xFF571C82)
/* Python / OpenCV (BGR) */
(130, 28, 87)
/* Python / PIL (RGB) */
(87, 28, 130)
/* Java AWT */
new Color(87, 28, 130)
/* .NET */
Color.FromArgb(255, 87, 28, 130)
/* OpenGL / Unity (0–1) */
(0.3412f, 0.1098f, 0.5098f, 1f)
/* LaTeX */
\definecolor{brand}{RGB}{87,28,130}
modern cssclick to select
/* mix without leaving CSS */
background: color-mix(in oklab, #571c82 85%, white);
border-color: color-mix(in oklab, #571c82 40%, transparent);
/* theme-aware in one line */
color: light-dark(#461769, #E3D3EE);
/* relative colour syntax */
--hover: hsl(from #571c82 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: #F8F3FB;
  --brand-100: #F1E8F7;
  --brand-200: #E1CBF1;
  --brand-300: #CDA3EB;
  --brand-400: #B374E1;
  --brand-500: #9A46D7;
  --brand-600: #872BC9;
  --brand-700: #7024A8;
  --brand-800: #571c82;
  --brand-900: #431962;
  --brand-950: #2A103D;
  --brand: #571c82;
  --brand-ink: #ffffff;
  --brand-surface: #F8F4FA;
  --brand-border: #DAC0ED;
  --brand-hover: #431665;
  --brand-pressed: #300F47;
}
@media (prefers-color-scheme: dark) {
  :root {
    --brand-surface: #1D1424;
    --brand-ink: #E3D3EE;
  }
}
tailwind.config.jsclick to select
theme: {
  extend: {
    colors: {
      brand: {
        50: '#F8F3FB',
        100: '#F1E8F7',
        200: '#E1CBF1',
        300: '#CDA3EB',
        400: '#B374E1',
        500: '#9A46D7',
        600: '#872BC9',
        700: '#7024A8',
        800: '#571c82',
        900: '#431962',
        950: '#2A103D',
        DEFAULT: '#571c82',
      },
    },
  },
}
scss mapclick to select
$brand: (
  '50': #F8F3FB,
  '100': #F1E8F7,
  '200': #E1CBF1,
  '300': #CDA3EB,
  '400': #B374E1,
  '500': #9A46D7,
  '600': #872BC9,
  '700': #7024A8,
  '800': #571c82,
  '900': #431962,
  '950': #2A103D,
);
$brand-base: #571c82;
$brand-ink: #ffffff;

@function brand($step) { @return map-get($brand, $step); }
w3c design tokens (json)click to select
{
  "color": {
    "brand": {
      "50": { "$value": "#F8F3FB", "$type": "color" },
      "100": { "$value": "#F1E8F7", "$type": "color" },
      "200": { "$value": "#E1CBF1", "$type": "color" },
      "300": { "$value": "#CDA3EB", "$type": "color" },
      "400": { "$value": "#B374E1", "$type": "color" },
      "500": { "$value": "#9A46D7", "$type": "color" },
      "600": { "$value": "#872BC9", "$type": "color" },
      "700": { "$value": "#7024A8", "$type": "color" },
      "800": { "$value": "#571c82", "$type": "color" },
      "900": { "$value": "#431962", "$type": "color" },
      "950": { "$value": "#2A103D", "$type": "color" }
    },
    "brandInk": { "$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 #571c82 · 11.09:1
Use #ffffffAAA at every size.
Aa
12px
Aa
16px
Aa
24px
Aa
White text · 11.09:1 · recommended
AA pass · AA large pass · AAA pass
Aa
Black text · 1.89:1
AA fail · AA large fail · AAA fail
Reading the other direction: #571c82 as text scores 11.09:1 on white and 1.89:1 on black.
Best tinted ink on it, if plain black or white feels flat: #F4EAFA at 9.50:1.

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
#571c82 · 11.09:1
AA on whitealready passes
#571c82
The quick fox
#571c82 · 11.09:1
AAA on whitealready passes
#571c82
The quick fox
#9F4FD9 · 4.59:1
AA on black+27% L
#9F4FD9
The quick fox
#B87DE3 · 7.08:1
AAA on black+38% L
#B87DE3

Large text — 24px regular or 18.66px bold and above — only needs 3:1, so #571C82 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
#571c82 on white: 11.09:1
AA ✓ pass · AA-large · AAA
Aa
#571c82 on black: 1.89:1
AA ✗ fail · AA-large · AAA
Against the neutral ladder

Contrast is symmetric, so each row covers both directions: #571c82 as text on that neutral, and that neutral as text on #571c82.

NeutralRatioBoth directions
White11.09:1AaAa
Slate 5010.60:1AaAa
Slate 10010.12:1AaAa
Slate 2009.00:1AaAa
Slate 3007.47:1AaAa
Slate 4004.32:1AaAa
Slate 5002.33:1AaAa
Slate 6001.46:1AaAa
Slate 7001.07:1AaAa
Slate 8001.32:1AaAa
Slate 9001.61:1AaAa
Black1.89:1AaAa
Colour vision deficiency
true color
protanopia · #003A85
deuteranopia · #003C80
tritanopia · #4F364E

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. #571c82 is pinned to step 800; the rest hold its hue and let saturation ease off at the extremes so the pale end never turns neon.

#F8F3FB
#F1E8F7
#E1CBF1
#CDA3EB
#B374E1
#9A46D7
#872BC9
#7024A8
#571c82
#431962
#2A103D
Base = 800Lightest = 50 · #F8F3FBDarkest = 950 · #2A103DText 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 0.040 306.2);
  --brand-100: oklch(0.94 0.064 306.2);
  --brand-200: oklch(0.88 0.096 306.2);
  --brand-300: oklch(0.80 0.125 306.2);
  --brand-400: oklch(0.72 0.148 306.2);
  --brand-500: oklch(0.64 0.161 306.2);
  --brand-600: oklch(0.56 0.161 306.2);
  --brand-700: oklch(0.48 0.151 306.2);
  --brand-800: oklch(0.40 0.135 306.2);
  --brand-900: oklch(0.32 0.112 306.2);
  --brand-950: oklch(0.24 0.088 306.2);
}

Colors that work with #571c82

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#F8F4FA
Tinted page background
Border#DAC0ED
Hairlines and dividers
Muted text#794B9B
Captions on the surface
Accent#628519
Second voice, not a rival
Dark variant#461769
Hover, pressed, headers
Light variant#F4EAFA
Selected rows, tints
Dark surface#1D1424
Dark-mode background
Hover#431665
One step down in lightness
Pressed#300F47
Two steps down
Disabled#8B6DA2
Chroma pulled out
Focus ring#64179C
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 #571c82

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
  • Headers, footers and dark-mode surfaces
  • Brand accents, badges and data highlights
Use with care
  • Text on black or near-black surfaces
  • Full-page backgrounds — tiring over long sessions
  • Black text placed on it
  • 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 low lightness adds weight and formality.

Worth knowing

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

Reads as
  • FormalityHigh
  • EnergyMedium-high
  • Weight69/100
  • TemperatureCool
  • ApproachabilityBalanced

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#47821C
Analogous left#241C82
Analogous right#821C7A
Split-complement 1#7A821C
Split-complement 2#1C8224
Triadic 1#82571C
Triadic 2#1C8257
Tetradic#82241C
On the wheel
Base+30°−30°+120°+240°+180°275°

#571c82 sits at 275°. Every dot is a harmony position and links to its own page in the table alongside.

RGB percentages

Red34.1%
Green11.0%
Blue51.0%
R · 0–255
87
0x57
G · 0–255
28
0x1c
B · 0–255
130
0x82

CMYK percentages

Cyan33.1%
Magenta78.5%
Yellow0.0%
Key (black)49.0%

Total ink coverage is 161%. Most commercial presses cap around 300% — above that, sheets stop drying properly.

Color previews

#571c82 text on a black background

contrast 1.89:1

Card sample

#571c82 text on a white background

contrast 11.09:1

Card sample

#571c82 on grey

10.12:1

#571c82 on its own surface

10.20:1

#571c82 on its dark surface

1.61:1

CSS3 live lab

Text font color

The quick brown fox

color: #571c82;
Background color
Panel with #571c82 background
background-color: #571c82;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #571c82;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(87, 28, 130, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(87, 28, 130, 0.45);
Border & gradient
Gradient panel
border: 3px solid #571c82;
background: linear-gradient(135deg, #571c82, #821C69);
Gradient text

Gradient headline

background: linear-gradient(90deg, #571c82, #821C50);
-webkit-background-clip: text;
color: transparent;
Focus ring
Focused control
outline: 2px solid #571c82;
outline-offset: 3px;
Underline & caret

Marked up text

text-decoration-color: #571c82;
caret-color: #571c82;
Left rule
Pull quote or callout
border-left: 4px solid #571c82;
Ring + tint
Selected chip
background: #F4EAFA;
box-shadow: inset 0 0 0 2px #571c82;
Conic badge
68%
background: conic-gradient(#571c82 68%, #e2e8f0 0);

Transparency

What each alpha value actually composites to. The top row is #571c82 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(87, 28, 130, 0.5)
rgb(87 28 130 / 50%)
#571c8280
hsl(275 65% 31% / 50%)
color-mix(in srgb, #571c82 50%, transparent)
Alpha8-digit hexFlat on white
10%#571c821a#EEE8F3
20%#571c8233#DDD2E6
40%#571c8266#BCA4CD
60%#571c8299#9A77B4
80%#571c82cc#79499B

Gradients from #571c82

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, #7927B4, #571c82 45%, #461769);
Duotone
A short hue run reads richer than a flat fill
background: linear-gradient(120deg, #571c82, #69174E);
Complement sweep
Loud — keep it behind large type only
background: linear-gradient(90deg, #571c82, #47821C);
Spotlight
Hero panels and app headers
background: radial-gradient(120% 120% at 20% 0%, #8A2CCE 0%, #571c82 45%, #461769 100%);
Soft wash
Section backgrounds that stay readable
background: linear-gradient(180deg, #F8F4FA, #ffffff);
Mesh
Ambient background, no image weight
background: radial-gradient(60% 60% at 15% 20%, #2526AC 0%, transparent 60%), radial-gradient(55% 55% at 85% 15%, #9B2188 0%, transparent 60%), radial-gradient(70% 70% at 50% 95%, #461769 0%, transparent 65%), #571c82;

Monochromatic scale

Palettes built from #571c82

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.

#571c82 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

Very dark values collapse into each other on cheap panels — leave more lightness between your darkest steps than the numbers suggest.

In dark mode

Too dim on dark surfaces at 1.89:1 — lift it to #9F4FD9 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.

#571c82, answered

What color is #571c82?

#571c82 is a dark vivid violet, closest to Indigo (ΔE2000 4.2). It sits at 275° on the hue wheel with 65% saturation and 31% lightness, which reads as cool.

What is the RGB value of #571c82?

rgb(87, 28, 130) — 87 red, 28 green and 130 blue out of 255, or 34.1% / 11% / 51% by channel.

What is #571c82 in HSL and HSV?

hsl(275, 65%, 31%) and hsv(275, 78%, 51%). HSL is what CSS takes; HSV is what your design tool's picker shows, which is why the saturation numbers rarely match.

Is #571c82 a light or a dark color?

It is a dark color. Relative luminance is 0.0447 and perceived brightness is 27%, so white text on it reaches 11.09:1.

Should I use black or white text on #571c82?

White. It scores 11.09:1 against #571c82, versus 1.89:1 for black — AAA at any size.

Is #571c82 accessible on a white background?

#571c82 on white scores 11.09:1, which clears AAA at every size.

What is the complementary color of #571c82?

#47821C sits directly opposite on the wheel. Softer options are the split-complements #7A821C and #1C8224, which give the same contrast with far less vibration.

What colors go well with #571c82?

For interface work: #F8F4FA as the surface, #DAC0ED for borders, #794B9B for secondary text, #628519 as an accent and #461769 for hover and pressed states. For a palette, the analogous pair #241C82 and #821C7A stays calm, while #47821C is the loudest partner.

What is #571c82 in CMYK for printing?

cmyk(33%, 79%, 0%, 49%). This is a screen-to-ink approximation — ask your printer for a proof before committing to a run.

Is #571c82 warm or cool?

Cool — it scores 64 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #7C1C82; nudged cooler, #311A84.

Which Tailwind color is closest to #571c82?

The violet family — its 500 step is #8b5cf6, ΔE2000 24.2 away. That is a visible difference, so define #571c82 as a custom token rather than reaching for the built-in.

How do I use #571c82 in Tailwind CSS?

Inline it as an arbitrary value with bg-[#571c82] or text-[#571c82], 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 #571c82 with 50% opacity?

rgba(87, 28, 130, 0.5), or #571c8280 in eight-digit hex. Over white that composites to #AB8EC1; over black, #2C0E41.

Is #571c82 a web-safe color?

No. The nearest web-safe colour is #663399, ΔE2000 6.1 away. The palette only matters for legacy displays and some email clients now.

What does the color #571c82 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 #571c82?

The safest is same-hue elevation: linear-gradient(135deg, #7927B4, #571c82 45%, #461769). For more colour, a short hue run to #69174E keeps it rich without turning muddy.

Work with #571c82 in the Color Lab

Every tool opens with this colour already loaded.

Every value on this page is computed from #571c82 at request time — conversions, contrast ratios and ΔE distances are calculated, never looked up.