#511C6D#511C6D

#511C6D is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.0% C 0.137 H 311.3°. Best body text is #FFFFFF at 12.09:1 contrast (WCAG AA passes).

Color values

HEX	#511C6D
RGB	rgb(81, 28, 109)
HSL	hsl(279, 59%, 27%)
HSV	hsv(279, 74%, 43%)
CMYK	cmyk(25.7%, 74.3%, 0%, 57.3%)
CIE-LAB	lab(22.60, 38.81, -36.35)
CIE-LCH	lch(22.60, 53.18, 316.87°)
OKLab	oklab(34.99% 0.0902 -0.1028)
OKLCH	oklch(34.99% 0.137 311.3)
XYZ	xyz(6.5684, 3.6841, 14.8301)
Luminance	0.0368 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511C6D #386D1C

analogous

#291C6D #511C6D #6D1C61

triadic

#511C6D #6D511C #1C6D51

tetradic

#511C6D #6D291C #386D1C #1C616D

square

#511C6D #6D291C #386D1C #1C616D

split-complementary

#511C6D #616D1C #1C6D29

monochromatic

#120618 #2D0F3C #511C6D #75299E #9938CC

Accessibility & contrast

On white

12.09

#511C6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#511C6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511C6D

12.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511C6D	#FFFFFF	#000000	##FFFFFF
##511C6D	1.00	12.09	1.74	12.09
#FFFFFF	12.09	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00346F

Deuteranopia (green-blind)

#10376B

Tritanopia (blue-blind)

#4D2E42

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #511c6d;
/* rgb */ color: rgb(81, 28, 109);
/* oklch */ color: oklch(35.0% 0.137 311.3);

Tailwind

colors: {
  custom: {
    50: '#855d97',
    500: '#511c6d',
    950: '#000000',
  },
}

SCSS

$custom: #511c6d;
$custom-light: #855d97;
$custom-dark: #000000;

JSON

{
  "hex": "#511c6d",
  "rgb": {
    "r": 81,
    "g": 28,
    "b": 109
  },
  "hsl": {
    "h": 279.259,
    "s": 59.124,
    "l": 26.863
  },
  "oklch": {
    "l": 0.34991,
    "c": 0.13671,
    "h": 311.3
  },
  "luminance": 0.03684
}

Semantic roles & 50–950 ramp

primary

#511C6D

secondary

#64A243

accent

#E2457C

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0B040D

muted

#7C797E

Preview Lab

Preview with #511C6D

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

Preview Lab → · Contrast checker → · Palette generator →