#511C54#511C54

#511C54 is a dark, moderate purple. Relative luminance 0.032; OKLCH L 33.2% C 0.111 H 325.5°. Best body text is #FFFFFF at 12.77:1 contrast (WCAG AA passes).

Color values

HEX	#511C54
RGB	rgb(81, 28, 84)
HSL	hsl(297, 50%, 22%)
HSV	hsv(297, 67%, 33%)
CMYK	cmyk(3.6%, 66.7%, 0%, 67.1%)
CIE-LAB	lab(20.91, 33.24, -22.59)
CIE-LCH	lch(20.91, 40.19, 325.81°)
OKLab	oklab(33.23% 0.0911 -0.0625)
OKLCH	oklch(33.23% 0.111 325.5)
XYZ	xyz(5.4087, 3.2203, 8.7225)
Luminance	0.0322 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511C54 #1F541C

analogous

#351C54 #511C54 #541C3B

triadic

#511C54 #54511C #1C5451

tetradic

#511C54 #54351C #1F541C #1C3B54

square

#511C54 #54351C #1F541C #1C3B54

split-complementary

#511C54 #3B541C #1C5435

monochromatic

#160817 #250D26 #511C54 #7D2B82 #AA3BB0

Accessibility & contrast

On white

12.77

#511C54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#511C54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511C54

12.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511C54	#FFFFFF	#000000	##FFFFFF
##511C54	1.00	12.77	1.64	12.77
#FFFFFF	12.77	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#132E56

Deuteranopia (green-blind)

#273552

Tritanopia (blue-blind)

#532435

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #511c54;
/* rgb */ color: rgb(81, 28, 84);
/* oklch */ color: oklch(33.2% 0.111 325.5);

Tailwind

colors: {
  custom: {
    50: '#845c84',
    500: '#511c54',
    950: '#000000',
  },
}

SCSS

$custom: #511c54;
$custom-light: #845c84;
$custom-dark: #000000;

JSON

{
  "hex": "#511c54",
  "rgb": {
    "r": 81,
    "g": 28,
    "b": 84
  },
  "hsl": {
    "h": 296.786,
    "s": 50,
    "l": 21.961
  },
  "oklch": {
    "l": 0.3323,
    "c": 0.11052,
    "h": 325.5
  },
  "luminance": 0.0322
}

Semantic roles & 50–950 ramp

primary

#511C54

secondary

#468A42

accent

#DA4E56

background

#F8F5F8

surface

#EFE9EF

border

#CAC5CA

text

#0B040B

muted

#7C797C

Preview Lab

Preview with #511C54

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

Preview Lab → · Contrast checker → · Palette generator →