#331D84#331D84

#331D84 is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.6% C 0.159 H 283.5°. Best body text is #FFFFFF at 12.73:1 contrast (WCAG AA passes).

Color values

HEX	#331D84
RGB	rgb(51, 29, 132)
HSL	hsl(253, 64%, 32%)
HSV	hsv(253, 78%, 52%)
CMYK	cmyk(61.4%, 78%, 0%, 48.2%)
CIE-LAB	lab(21.01, 39.20, -53.79)
CIE-LCH	lch(21.01, 66.56, 306.08°)
OKLab	oklab(33.65% 0.0373 -0.155)
OKLCH	oklch(33.65% 0.159 283.5)
XYZ	xyz(5.9682, 3.2481, 22.1378)
Luminance	0.0325 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331D84 #6E841D

analogous

#1D3A84 #331D84 #671D84

triadic

#331D84 #84331D #1D8433

tetradic

#331D84 #841D3A #6E841D #1D8467

square

#331D84 #841D3A #6E841D #1D8467

split-complementary

#331D84 #84671D #3A841D

monochromatic

#0C0720 #201252 #331D84 #4628B6 #6445D6

Accessibility & contrast

On white

12.73

#331D84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#331D84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331D84

12.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331D84	#FFFFFF	#000000	##FFFFFF
##331D84	1.00	12.73	1.65	12.73
#FFFFFF	12.73	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003687

Deuteranopia (green-blind)

#002F82

Tritanopia (blue-blind)

#003A4F

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #331d84;
/* rgb */ color: rgb(51, 29, 132);
/* oklch */ color: oklch(33.6% 0.159 283.5);

Tailwind

colors: {
  custom: {
    50: '#755ca9',
    500: '#331d84',
    950: '#000000',
  },
}

SCSS

$custom: #331d84;
$custom-light: #755ca9;
$custom-dark: #000000;

JSON

{
  "hex": "#331d84",
  "rgb": {
    "r": 51,
    "g": 29,
    "b": 132
  },
  "hsl": {
    "h": 252.816,
    "s": 63.975,
    "l": 31.569
  },
  "oklch": {
    "l": 0.33649,
    "c": 0.15947,
    "h": 283.5
  },
  "luminance": 0.03248
}

Semantic roles & 50–950 ramp

primary

#331D84

secondary

#9FB746

accent

#E741C3

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #331D84

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

Preview Lab → · Contrast checker → · Palette generator →