#51166C#51166C

#51166C is a dark, vivid purple. Relative luminance 0.034; OKLCH L 34.3% C 0.143 H 312.5°. Best body text is #FFFFFF at 12.49:1 contrast (WCAG AA passes).

Color values

HEX	#51166C
RGB	rgb(81, 22, 108)
HSL	hsl(281, 66%, 25%)
HSV	hsv(281, 80%, 42%)
CMYK	cmyk(25%, 79.6%, 0%, 57.6%)
CIE-LAB	lab(21.60, 41.20, -37.32)
CIE-LCH	lch(21.60, 55.58, 317.83°)
OKLab	oklab(34.26% 0.0967 -0.1055)
OKLCH	oklch(34.26% 0.143 312.5)
XYZ	xyz(6.3865, 3.4060, 14.5055)
Luminance	0.0341 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51166C #316C16

analogous

#26166C #51166C #6C165C

triadic

#51166C #6C5116 #166C51

tetradic

#51166C #6C2616 #316C16 #165C6C

square

#51166C #6C2616 #316C16 #165C6C

split-complementary

#51166C #5C6C16 #166C26

monochromatic

#130519 #2B0C39 #51166C #77209F #9D2BD2

Accessibility & contrast

On white

12.49

#51166C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#51166C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51166C

12.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51166C	#FFFFFF	#000000	##FFFFFF
##51166C	1.00	12.49	1.68	12.49
#FFFFFF	12.49	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00316E

Deuteranopia (green-blind)

#0A356A

Tritanopia (blue-blind)

#4E2A40

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #51166c;
/* rgb */ color: rgb(81, 22, 108);
/* oklch */ color: oklch(34.3% 0.143 312.5);

Tailwind

colors: {
  custom: {
    50: '#855a97',
    500: '#51166c',
    950: '#000000',
  },
}

SCSS

$custom: #51166c;
$custom-light: #855a97;
$custom-dark: #000000;

JSON

{
  "hex": "#51166c",
  "rgb": {
    "r": 81,
    "g": 22,
    "b": 108
  },
  "hsl": {
    "h": 281.163,
    "s": 66.154,
    "l": 25.49
  },
  "oklch": {
    "l": 0.3426,
    "c": 0.14314,
    "h": 312.5
  },
  "luminance": 0.03406
}

Semantic roles & 50–950 ramp

primary

#51166C

secondary

#5CA23C

accent

#E93F74

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0B040D

muted

#7C797E

Preview Lab

Preview with #51166C

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

Preview Lab → · Contrast checker → · Palette generator →