#51188D#51188D

#51188D is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.3% C 0.175 H 299.5°. Best body text is #FFFFFF at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#51188D
RGB	rgb(81, 24, 141)
HSL	hsl(269, 71%, 32%)
HSV	hsv(269, 83%, 55%)
CMYK	cmyk(42.6%, 83%, 0%, 44.7%)
CIE-LAB	lab(24.72, 48.31, -53.20)
CIE-LCH	lch(24.72, 71.86, 312.24°)
OKLab	oklab(37.32% 0.0861 -0.1522)
OKLCH	oklch(37.32% 0.175 299.5)
XYZ	xyz(8.5265, 4.3256, 25.5798)
Luminance	0.0433 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51188D #548D18

analogous

#18198D #51188D #8C188D

triadic

#51188D #8D5118 #188D51

tetradic

#51188D #8D1819 #548D18 #188D8C

square

#51188D #8D1819 #548D18 #188D8C

split-complementary

#51188D #8D8C18 #198D18

monochromatic

#150624 #330F59 #51188D #6F21C1 #8E41DF

Accessibility & contrast

On white

11.26

#51188D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#51188D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51188D

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51188D	#FFFFFF	#000000	##FFFFFF
##51188D	1.00	11.26	1.87	11.26
#FFFFFF	11.26	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B90

Deuteranopia (green-blind)

#003A8B

Tritanopia (blue-blind)

#423954

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #51188d;
/* rgb */ color: rgb(81, 24, 141);
/* oklch */ color: oklch(37.3% 0.175 299.5);

Tailwind

colors: {
  custom: {
    50: '#885daf',
    500: '#51188d',
    950: '#000000',
  },
}

SCSS

$custom: #51188d;
$custom-light: #885daf;
$custom-dark: #000000;

JSON

{
  "hex": "#51188d",
  "rgb": {
    "r": 81,
    "g": 24,
    "b": 141
  },
  "hsl": {
    "h": 269.231,
    "s": 70.909,
    "l": 32.353
  },
  "oklch": {
    "l": 0.37323,
    "c": 0.17487,
    "h": 299.5
  },
  "luminance": 0.04326
}

Semantic roles & 50–950 ramp

primary

#51188D

secondary

#82BF42

accent

#EE3A96

background

#F8F5FA

surface

#F0E9F5

border

#CBC5CF

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #51188D

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

Preview Lab → · Contrast checker → · Palette generator →