#511880#511880

#511880 is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.1% C 0.161 H 303.9°. Best body text is #FFFFFF at 11.72:1 contrast (WCAG AA passes).

Color values

HEX	#511880
RGB	rgb(81, 24, 128)
HSL	hsl(273, 68%, 30%)
HSV	hsv(273, 81%, 50%)
CMYK	cmyk(36.7%, 81.3%, 0%, 49.8%)
CIE-LAB	lab(23.54, 45.11, -46.97)
CIE-LCH	lch(23.54, 65.13, 313.84°)
OKLab	oklab(36.14% 0.0901 -0.134)
OKLCH	oklch(36.14% 0.161 303.9)
XYZ	xyz(7.6153, 3.9611, 20.7813)
Luminance	0.0396 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.09

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511880 #478018

analogous

#1D1880 #511880 #80187B

triadic

#511880 #805118 #188051

tetradic

#511880 #801D18 #478018 #187B80

square

#511880 #801D18 #478018 #187B80

split-complementary

#511880 #7B8018 #18801D

monochromatic

#10051A #300E4C #511880 #7222B4 #9139DA

Accessibility & contrast

On white

11.72

#511880 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#511880 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511880

11.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511880	#FFFFFF	#000000	##FFFFFF
##511880	1.00	11.72	1.79	11.72
#FFFFFF	11.72	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003783

Deuteranopia (green-blind)

#00387E

Tritanopia (blue-blind)

#48344C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #511880;
/* rgb */ color: rgb(81, 24, 128);
/* oklch */ color: oklch(36.1% 0.161 303.9);

Tailwind

colors: {
  custom: {
    50: '#875ca6',
    500: '#511880',
    950: '#000000',
  },
}

SCSS

$custom: #511880;
$custom-light: #875ca6;
$custom-dark: #000000;

JSON

{
  "hex": "#511880",
  "rgb": {
    "r": 81,
    "g": 24,
    "b": 128
  },
  "hsl": {
    "h": 272.885,
    "s": 68.421,
    "l": 29.804
  },
  "oklch": {
    "l": 0.36142,
    "c": 0.16142,
    "h": 303.9
  },
  "luminance": 0.03961
}

Semantic roles & 50–950 ramp

primary

#511880

secondary

#74B440

accent

#EB3D8B

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C040F

muted

#7D797F

Preview Lab

Preview with #511880

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

Preview Lab → · Contrast checker → · Palette generator →