#331D9E#331D9E

#331D9E is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.5% C 0.191 H 279.0°. Best body text is #FFFFFF at 11.60:1 contrast (WCAG AA passes).

Color values

HEX	#331D9E
RGB	rgb(51, 29, 158)
HSL	hsl(250, 69%, 37%)
HSV	hsv(250, 82%, 62%)
CMYK	cmyk(67.7%, 81.6%, 0%, 38%)
CIE-LAB	lab(23.84, 47.17, -65.25)
CIE-LCH	lch(23.84, 80.52, 305.86°)
OKLab	oklab(36.46% 0.0297 -0.1884)
OKLCH	oklch(36.46% 0.191 279)
XYZ	xyz(7.9742, 4.0505, 32.7027)
Luminance	0.0405 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331D9E #889E1D

analogous

#1D479E #331D9E #741D9E

triadic

#331D9E #9E331D #1D9E33

tetradic

#331D9E #9E1D47 #889E1D #1D9E74

square

#331D9E #9E1D47 #889E1D #1D9E74

split-complementary

#331D9E #9E741D #479E1D

monochromatic

#120A37 #22146A #331D9E #4426D2 #6D56E0

Accessibility & contrast

On white

11.60

#331D9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#331D9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331D9E

11.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331D9E	#FFFFFF	#000000	##FFFFFF
##331D9E	1.00	11.60	1.81	11.60
#FFFFFF	11.60	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA2

Deuteranopia (green-blind)

#00349C

Tritanopia (blue-blind)

#00455E

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #331d9e;
/* rgb */ color: rgb(51, 29, 158);
/* oklch */ color: oklch(36.5% 0.191 279.0);

Tailwind

colors: {
  custom: {
    50: '#7b5ebc',
    500: '#331d9e',
    950: '#000000',
  },
}

SCSS

$custom: #331d9e;
$custom-light: #7b5ebc;
$custom-dark: #000000;

JSON

{
  "hex": "#331d9e",
  "rgb": {
    "r": 51,
    "g": 29,
    "b": 158
  },
  "hsl": {
    "h": 250.233,
    "s": 68.984,
    "l": 36.667
  },
  "oklch": {
    "l": 0.36459,
    "c": 0.19077,
    "h": 279
  },
  "luminance": 0.04051
}

Semantic roles & 50–950 ramp

primary

#331D9E

secondary

#B0C354

accent

#EC3CCE

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #331D9E

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

Preview Lab → · Contrast checker → · Palette generator →