#51188C#51188C

#51188C is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.2% C 0.174 H 299.8°. Best body text is #FFFFFF at 11.30:1 contrast (WCAG AA passes).

Color values

HEX	#51188C
RGB	rgb(81, 24, 140)
HSL	hsl(269, 71%, 32%)
HSV	hsv(269, 83%, 55%)
CMYK	cmyk(42.1%, 82.9%, 0%, 45.1%)
CIE-LAB	lab(24.63, 48.06, -52.73)
CIE-LCH	lch(24.63, 71.35, 312.35°)
OKLab	oklab(37.23% 0.0864 -0.1509)
OKLCH	oklch(37.23% 0.174 299.8)
XYZ	xyz(8.4524, 4.2959, 25.1897)
Luminance	0.0430 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51188C #538C18

analogous

#18198C #51188C #8B188C

triadic

#51188C #8C5118 #188C51

tetradic

#51188C #8C1819 #538C18 #188C8B

square

#51188C #8C1819 #538C18 #188C8B

split-complementary

#51188C #8C8B18 #198C18

monochromatic

#150624 #330F58 #51188C #6F21C0 #8E40DE

Accessibility & contrast

On white

11.30

#51188C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#51188C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51188C

11.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51188C	#FFFFFF	#000000	##FFFFFF
##51188C	1.00	11.30	1.86	11.30
#FFFFFF	11.30	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8F

Deuteranopia (green-blind)

#003A8A

Tritanopia (blue-blind)

#433953

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #51188c;
/* rgb */ color: rgb(81, 24, 140);
/* oklch */ color: oklch(37.2% 0.174 299.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#51188c",
  "rgb": {
    "r": 81,
    "g": 24,
    "b": 140
  },
  "hsl": {
    "h": 269.483,
    "s": 70.732,
    "l": 32.157
  },
  "oklch": {
    "l": 0.3723,
    "c": 0.17384,
    "h": 299.8
  },
  "luminance": 0.04296
}

Semantic roles & 50–950 ramp

primary

#51188C

secondary

#81BF41

accent

#ED3A95

background

#F8F5FA

surface

#F0E9F5

border

#CBC5CF

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #51188C

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

Preview Lab → · Contrast checker → · Palette generator →