#331C9E#331C9E

#331C9E is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.3% C 0.192 H 279.1°. Best body text is #FFFFFF at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#331C9E
RGB	rgb(51, 28, 158)
HSL	hsl(251, 70%, 36%)
HSV	hsv(251, 82%, 62%)
CMYK	cmyk(67.7%, 82.3%, 0%, 38%)
CIE-LAB	lab(23.68, 47.64, -65.52)
CIE-LCH	lch(23.68, 81.00, 306.02°)
OKLab	oklab(36.35% 0.0302 -0.1892)
OKLCH	oklch(36.35% 0.192 279.1)
XYZ	xyz(7.9501, 4.0023, 32.6947)
Luminance	0.0400 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331C9E #879E1C

analogous

#1C469E #331C9E #741C9E

triadic

#331C9E #9E331C #1C9E33

tetradic

#331C9E #9E1C46 #879E1C #1C9E74

square

#331C9E #9E1C46 #879E1C #1C9E74

split-complementary

#331C9E #9E741C #469E1C

monochromatic

#110A36 #22136A #331C9E #4425D2 #6D54E1

Accessibility & contrast

On white

11.66

#331C9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#331C9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331C9E

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331C9E	#FFFFFF	#000000	##FFFFFF
##331C9E	1.00	11.66	1.80	11.66
#FFFFFF	11.66	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA2

Deuteranopia (green-blind)

#00339C

Tritanopia (blue-blind)

#00455E

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #331c9e;
/* rgb */ color: rgb(51, 28, 158);
/* oklch */ color: oklch(36.3% 0.192 279.1);

Tailwind

colors: {
  custom: {
    50: '#7b5dbc',
    500: '#331c9e',
    950: '#000000',
  },
}

SCSS

$custom: #331c9e;
$custom-light: #7b5dbc;
$custom-dark: #000000;

JSON

{
  "hex": "#331c9e",
  "rgb": {
    "r": 51,
    "g": 28,
    "b": 158
  },
  "hsl": {
    "h": 250.615,
    "s": 69.892,
    "l": 36.471
  },
  "oklch": {
    "l": 0.36349,
    "c": 0.19159,
    "h": 279.1
  },
  "luminance": 0.04003
}

Semantic roles & 50–950 ramp

primary

#331C9E

secondary

#B0C452

accent

#ED3BCD

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #331C9E

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

Preview Lab → · Contrast checker → · Palette generator →