#511C55#511C55

#511C55 is a dark, moderate purple. Relative luminance 0.032; OKLCH L 33.3% C 0.112 H 324.8°. Best body text is #FFFFFF at 12.75:1 contrast (WCAG AA passes).

Color values

HEX	#511C55
RGB	rgb(81, 28, 85)
HSL	hsl(296, 50%, 22%)
HSV	hsv(296, 67%, 33%)
CMYK	cmyk(4.7%, 67.1%, 0%, 66.7%)
CIE-LAB	lab(20.97, 33.45, -23.16)
CIE-LCH	lch(20.97, 40.69, 325.30°)
OKLab	oklab(33.29% 0.0912 -0.0642)
OKLCH	oklch(33.29% 0.112 324.8)
XYZ	xyz(5.4482, 3.2360, 8.9302)
Luminance	0.0324 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511C55 #20551C

analogous

#341C55 #511C55 #551C3D

triadic

#511C55 #55511C #1C5551

tetradic

#511C55 #55341C #20551C #1C3D55

square

#511C55 #55341C #20551C #1C3D55

split-complementary

#511C55 #3D551C #1C5534

monochromatic

#160817 #250D27 #511C55 #7D2B83 #A93AB1

Accessibility & contrast

On white

12.75

#511C55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#511C55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511C55

12.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511C55	#FFFFFF	#000000	##FFFFFF
##511C55	1.00	12.75	1.65	12.75
#FFFFFF	12.75	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#122E57

Deuteranopia (green-blind)

#263553

Tritanopia (blue-blind)

#532435

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #511c55;
/* rgb */ color: rgb(81, 28, 85);
/* oklch */ color: oklch(33.3% 0.112 324.8);

Tailwind

colors: {
  custom: {
    50: '#845c85',
    500: '#511c55',
    950: '#000000',
  },
}

SCSS

$custom: #511c55;
$custom-light: #845c85;
$custom-dark: #000000;

JSON

{
  "hex": "#511c55",
  "rgb": {
    "r": 81,
    "g": 28,
    "b": 85
  },
  "hsl": {
    "h": 295.789,
    "s": 50.442,
    "l": 22.157
  },
  "oklch": {
    "l": 0.33293,
    "c": 0.11152,
    "h": 324.8
  },
  "luminance": 0.03236
}

Semantic roles & 50–950 ramp

primary

#511C55

secondary

#478B42

accent

#DA4E58

background

#F8F5F8

surface

#EFE9EF

border

#CAC5CA

text

#0B040B

muted

#7C797C

Preview Lab

Preview with #511C55

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

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