#511B52#511B52

#511B52 is a dark, moderate purple. Relative luminance 0.031; OKLCH L 33.0% C 0.110 H 327.0°. Best body text is #FFFFFF at 12.90:1 contrast (WCAG AA passes).

Color values

HEX	#511B52
RGB	rgb(81, 27, 82)
HSL	hsl(299, 50%, 21%)
HSV	hsv(299, 67%, 32%)
CMYK	cmyk(1.2%, 67.1%, 0%, 67.8%)
CIE-LAB	lab(20.61, 33.33, -21.71)
CIE-LCH	lch(20.61, 39.78, 326.92°)
OKLab	oklab(32.98% 0.0924 -0.06)
OKLCH	oklch(32.98% 0.11 327)
XYZ	xyz(5.3082, 3.1427, 8.3080)
Luminance	0.0314 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511B52 #1C521B

analogous

#361B52 #511B52 #521B38

triadic

#511B52 #52511B #1B5251

tetradic

#511B52 #52361B #1C521B #1B3852

square

#511B52 #52361B #1C521B #1B3852

split-complementary

#511B52 #38521B #1B5236

monochromatic

#170817 #240C24 #511B52 #7E2A80 #AC39AE

Accessibility & contrast

On white

12.90

#511B52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#511B52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511B52

12.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511B52	#FFFFFF	#000000	##FFFFFF
##511B52	1.00	12.90	1.63	12.90
#FFFFFF	12.90	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#142D54

Deuteranopia (green-blind)

#273451

Tritanopia (blue-blind)

#532233

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #511b52;
/* rgb */ color: rgb(81, 27, 82);
/* oklch */ color: oklch(33.0% 0.110 327.0);

Tailwind

colors: {
  custom: {
    50: '#845c83',
    500: '#511b52',
    950: '#000000',
  },
}

SCSS

$custom: #511b52;
$custom-light: #845c83;
$custom-dark: #000000;

JSON

{
  "hex": "#511b52",
  "rgb": {
    "r": 81,
    "g": 27,
    "b": 82
  },
  "hsl": {
    "h": 298.909,
    "s": 50.459,
    "l": 21.373
  },
  "oklch": {
    "l": 0.32975,
    "c": 0.11014,
    "h": 327
  },
  "luminance": 0.03142
}

Semantic roles & 50–950 ramp

primary

#511B52

secondary

#428841

accent

#DA4E50

background

#F8F5F8

surface

#EFE9EF

border

#CAC5CA

text

#0B040A

muted

#7C797C

Preview Lab

Preview with #511B52

Body copy rendered with the generated semantic roles for this colour.

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