#511C85#511C85

#511C85 is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.0% C 0.163 H 301.6°. Best body text is #FFFFFF at 11.32:1 contrast (WCAG AA passes).

Color values

HEX	#511C85
RGB	rgb(81, 28, 133)
HSL	hsl(270, 65%, 32%)
HSV	hsv(270, 79%, 52%)
CMYK	cmyk(39.1%, 78.9%, 0%, 47.8%)
CIE-LAB	lab(24.56, 44.69, -48.47)
CIE-LCH	lch(24.56, 65.93, 312.68°)
OKLab	oklab(36.99% 0.0852 -0.1384)
OKLCH	oklch(36.99% 0.163 301.6)
XYZ	xyz(8.0412, 4.2733, 22.5869)
Luminance	0.0427 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.60

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511C85 #50851C

analogous

#1D1C85 #511C85 #851C85

triadic

#511C85 #85511C #1C8551

tetradic

#511C85 #851D1C #50851C #1C8585

square

#511C85 #851D1C #50851C #1C8585

split-complementary

#511C85 #85851C #1C851D

monochromatic

#130720 #321152 #511C85 #7027B8 #8E44D8

Accessibility & contrast

On white

11.32

#511C85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#511C85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511C85

11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511C85	#FFFFFF	#000000	##FFFFFF
##511C85	1.00	11.32	1.85	11.32
#FFFFFF	11.32	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A88

Deuteranopia (green-blind)

#003A83

Tritanopia (blue-blind)

#463850

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #511c85;
/* rgb */ color: rgb(81, 28, 133);
/* oklch */ color: oklch(37.0% 0.163 301.6);

Tailwind

colors: {
  custom: {
    50: '#875fa9',
    500: '#511c85',
    950: '#000000',
  },
}

SCSS

$custom: #511c85;
$custom-light: #875fa9;
$custom-dark: #000000;

JSON

{
  "hex": "#511c85",
  "rgb": {
    "r": 81,
    "g": 28,
    "b": 133
  },
  "hsl": {
    "h": 270.286,
    "s": 65.217,
    "l": 31.569
  },
  "oklch": {
    "l": 0.36986,
    "c": 0.1625,
    "h": 301.6
  },
  "luminance": 0.04273
}

Semantic roles & 50–950 ramp

primary

#511C85

secondary

#7EB845

accent

#E84093

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #511C85

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

Preview Lab → · Contrast checker → · Palette generator →