#511B6D#511B6D

#511B6D is a dark, vivid violet. Relative luminance 0.036; OKLCH L 34.9% C 0.138 H 311.4°. Best body text is #FFFFFF at 12.16:1 contrast (WCAG AA passes).

Color values

HEX	#511B6D
RGB	rgb(81, 27, 109)
HSL	hsl(280, 60%, 27%)
HSV	hsv(280, 75%, 43%)
CMYK	cmyk(25.7%, 75.2%, 0%, 57.3%)
CIE-LAB	lab(22.43, 39.27, -36.62)
CIE-LCH	lch(22.43, 53.70, 317.00°)
OKLab	oklab(34.87% 0.0913 -0.1035)
OKLCH	oklch(34.87% 0.138 311.4)
XYZ	xyz(6.5451, 3.6375, 14.8224)
Luminance	0.0364 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511B6D #376D1B

analogous

#281B6D #511B6D #6D1B60

triadic

#511B6D #6D511B #1B6D51

tetradic

#511B6D #6D281B #376D1B #1B606D

square

#511B6D #6D281B #376D1B #1B606D

split-complementary

#511B6D #606D1B #1B6D28

monochromatic

#120619 #2D0F3C #511B6D #75279E #9935CD

Accessibility & contrast

On white

12.16

#511B6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#511B6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511B6D

12.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511B6D	#FFFFFF	#000000	##FFFFFF
##511B6D	1.00	12.16	1.73	12.16
#FFFFFF	12.16	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00336F

Deuteranopia (green-blind)

#0F376B

Tritanopia (blue-blind)

#4D2D42

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #511b6d;
/* rgb */ color: rgb(81, 27, 109);
/* oklch */ color: oklch(34.9% 0.138 311.4);

Tailwind

colors: {
  custom: {
    50: '#855d97',
    500: '#511b6d',
    950: '#000000',
  },
}

SCSS

$custom: #511b6d;
$custom-light: #855d97;
$custom-dark: #000000;

JSON

{
  "hex": "#511b6d",
  "rgb": {
    "r": 81,
    "g": 27,
    "b": 109
  },
  "hsl": {
    "h": 279.512,
    "s": 60.294,
    "l": 26.667
  },
  "oklch": {
    "l": 0.34874,
    "c": 0.13803,
    "h": 311.4
  },
  "luminance": 0.03637
}

Semantic roles & 50–950 ramp

primary

#511B6D

secondary

#63A242

accent

#E3447B

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0B040D

muted

#7C797E

Preview Lab

Preview with #511B6D

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

Preview Lab → · Contrast checker → · Palette generator →