#511D88#511D88

#511D88 is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.4% C 0.165 H 300.5°. Best body text is #FFFFFF at 11.16:1 contrast (WCAG AA passes).

Color values

HEX	#511D88
RGB	rgb(81, 29, 136)
HSL	hsl(269, 65%, 32%)
HSV	hsv(269, 79%, 53%)
CMYK	cmyk(40.4%, 78.7%, 0%, 46.7%)
CIE-LAB	lab(24.97, 45.02, -49.67)
CIE-LCH	lch(24.97, 67.04, 312.18°)
OKLab	oklab(37.36% 0.0835 -0.1419)
OKLCH	oklch(37.36% 0.165 300.5)
XYZ	xyz(8.2755, 4.4056, 23.7021)
Luminance	0.0441 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511D88 #54881D

analogous

#1D1F88 #511D88 #871D88

triadic

#511D88 #88511D #1D8851

tetradic

#511D88 #881D1F #54881D #1D8887

square

#511D88 #881D1F #54881D #1D8887

split-complementary

#511D88 #88871D #1F881D

monochromatic

#150723 #331256 #511D88 #6F28BA #8E48D8

Accessibility & contrast

On white

11.16

#511D88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#511D88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511D88

11.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511D88	#FFFFFF	#000000	##FFFFFF
##511D88	1.00	11.16	1.88	11.16
#FFFFFF	11.16	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8B

Deuteranopia (green-blind)

#003A86

Tritanopia (blue-blind)

#443952

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #511d88;
/* rgb */ color: rgb(81, 29, 136);
/* oklch */ color: oklch(37.4% 0.165 300.5);

Tailwind

colors: {
  custom: {
    50: '#885fac',
    500: '#511d88',
    950: '#000000',
  },
}

SCSS

$custom: #511d88;
$custom-light: #885fac;
$custom-dark: #000000;

JSON

{
  "hex": "#511d88",
  "rgb": {
    "r": 81,
    "g": 29,
    "b": 136
  },
  "hsl": {
    "h": 269.159,
    "s": 64.848,
    "l": 32.353
  },
  "oklch": {
    "l": 0.37358,
    "c": 0.16466,
    "h": 300.5
  },
  "luminance": 0.04406
}

Semantic roles & 50–950 ramp

primary

#511D88

secondary

#82BA47

accent

#E84096

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #511D88

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

Preview Lab → · Contrast checker → · Palette generator →