#511C88#511C88

#511C88 is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.3% C 0.166 H 300.6°. Best body text is #FFFFFF at 11.22:1 contrast (WCAG AA passes).

Color values

HEX	#511C88
RGB	rgb(81, 28, 136)
HSL	hsl(269, 66%, 32%)
HSV	hsv(269, 79%, 53%)
CMYK	cmyk(40.4%, 79.4%, 0%, 46.7%)
CIE-LAB	lab(24.82, 45.45, -49.92)
CIE-LCH	lch(24.82, 67.51, 312.32°)
OKLab	oklab(37.25% 0.0844 -0.1426)
OKLCH	oklch(37.25% 0.166 300.6)
XYZ	xyz(8.2514, 4.3573, 23.6941)
Luminance	0.0436 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511C88 #53881C

analogous

#1C1D88 #511C88 #871C88

triadic

#511C88 #88511C #1C8851

tetradic

#511C88 #881C1D #53881C #1C8887

square

#511C88 #881C1D #53881C #1C8887

split-complementary

#511C88 #88871C #1D881C

monochromatic

#150722 #331255 #511C88 #6F26BB #8E46D9

Accessibility & contrast

On white

11.22

#511C88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#511C88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511C88

11.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511C88	#FFFFFF	#000000	##FFFFFF
##511C88	1.00	11.22	1.87	11.22
#FFFFFF	11.22	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8B

Deuteranopia (green-blind)

#003A86

Tritanopia (blue-blind)

#443951

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #511c88;
/* rgb */ color: rgb(81, 28, 136);
/* oklch */ color: oklch(37.3% 0.166 300.6);

Tailwind

colors: {
  custom: {
    50: '#885fac',
    500: '#511c88',
    950: '#000000',
  },
}

SCSS

$custom: #511c88;
$custom-light: #885fac;
$custom-dark: #000000;

JSON

{
  "hex": "#511c88",
  "rgb": {
    "r": 81,
    "g": 28,
    "b": 136
  },
  "hsl": {
    "h": 269.444,
    "s": 65.854,
    "l": 32.157
  },
  "oklch": {
    "l": 0.37253,
    "c": 0.16572,
    "h": 300.6
  },
  "luminance": 0.04357
}

Semantic roles & 50–950 ramp

primary

#511C88

secondary

#81BA45

accent

#E93F95

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #511C88

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

Preview Lab → · Contrast checker → · Palette generator →