#511B54#511B54

#511B54 is a dark, moderate purple. Relative luminance 0.032; OKLCH L 33.1% C 0.112 H 325.6°. Best body text is #FFFFFF at 12.85:1 contrast (WCAG AA passes).

Color values

HEX	#511B54
RGB	rgb(81, 27, 84)
HSL	hsl(297, 51%, 22%)
HSV	hsv(297, 68%, 33%)
CMYK	cmyk(3.6%, 67.9%, 0%, 67.1%)
CIE-LAB	lab(20.73, 33.74, -22.87)
CIE-LCH	lch(20.73, 40.76, 325.87°)
OKLab	oklab(33.1% 0.0925 -0.0633)
OKLCH	oklch(33.1% 0.112 325.6)
XYZ	xyz(5.3854, 3.1736, 8.7147)
Luminance	0.0317 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511B54 #1E541B

analogous

#351B54 #511B54 #541B3B

triadic

#511B54 #54511B #1B5451

tetradic

#511B54 #54351B #1E541B #1B3B54

square

#511B54 #54351B #1E541B #1B3B54

split-complementary

#511B54 #3B541B #1B5435

monochromatic

#160717 #240C26 #511B54 #7E2A82 #AA39B1

Accessibility & contrast

On white

12.85

#511B54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#511B54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511B54

12.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511B54	#FFFFFF	#000000	##FFFFFF
##511B54	1.00	12.85	1.63	12.85
#FFFFFF	12.85	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#122E56

Deuteranopia (green-blind)

#263452

Tritanopia (blue-blind)

#532334

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #511b54;
/* rgb */ color: rgb(81, 27, 84);
/* oklch */ color: oklch(33.1% 0.112 325.6);

Tailwind

colors: {
  custom: {
    50: '#845c84',
    500: '#511b54',
    950: '#000000',
  },
}

SCSS

$custom: #511b54;
$custom-light: #845c84;
$custom-dark: #000000;

JSON

{
  "hex": "#511b54",
  "rgb": {
    "r": 81,
    "g": 27,
    "b": 84
  },
  "hsl": {
    "h": 296.842,
    "s": 51.351,
    "l": 21.765
  },
  "oklch": {
    "l": 0.331,
    "c": 0.11211,
    "h": 325.6
  },
  "luminance": 0.03173
}

Semantic roles & 50–950 ramp

primary

#511B54

secondary

#458A41

accent

#DB4D54

background

#F8F5F8

surface

#EFE9EF

border

#CAC5CA

text

#0B040B

muted

#7C797C

Preview Lab

Preview with #511B54

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

Preview Lab → · Contrast checker → · Palette generator →