#511C84#511C84

#511C84 is a dark, vivid violet. Relative luminance 0.042; OKLCH L 36.9% C 0.161 H 302.0°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#511C84
RGB	rgb(81, 28, 132)
HSL	hsl(271, 65%, 31%)
HSV	hsv(271, 79%, 52%)
CMYK	cmyk(38.6%, 78.8%, 0%, 48.2%)
CIE-LAB	lab(24.47, 44.44, -47.99)
CIE-LCH	lch(24.47, 65.40, 312.80°)
OKLab	oklab(36.9% 0.0855 -0.1369)
OKLCH	oklch(36.9% 0.161 302)
XYZ	xyz(7.9724, 4.2457, 22.2248)
Luminance	0.0425 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.61

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511C84 #4F841C

analogous

#1D1C84 #511C84 #841C83

triadic

#511C84 #84511C #1C8451

tetradic

#511C84 #841D1C #4F841C #1C8384

square

#511C84 #841D1C #4F841C #1C8384

split-complementary

#511C84 #83841C #1C841D

monochromatic

#13071F #321152 #511C84 #7027B6 #8F43D7

Accessibility & contrast

On white

11.36

#511C84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#511C84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511C84

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511C84	#FFFFFF	#000000	##FFFFFF
##511C84	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003987

Deuteranopia (green-blind)

#003A82

Tritanopia (blue-blind)

#46374F

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #511c84;
/* rgb */ color: rgb(81, 28, 132);
/* oklch */ color: oklch(36.9% 0.161 302.0);

Tailwind

colors: {
  custom: {
    50: '#875fa9',
    500: '#511c84',
    950: '#000000',
  },
}

SCSS

$custom: #511c84;
$custom-light: #875fa9;
$custom-dark: #000000;

JSON

{
  "hex": "#511c84",
  "rgb": {
    "r": 81,
    "g": 28,
    "b": 132
  },
  "hsl": {
    "h": 270.577,
    "s": 65,
    "l": 31.373
  },
  "oklch": {
    "l": 0.36898,
    "c": 0.16143,
    "h": 302
  },
  "luminance": 0.04246
}

Semantic roles & 50–950 ramp

primary

#511C84

secondary

#7DB745

accent

#E84092

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #511C84

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

Preview Lab → · Contrast checker → · Palette generator →