#331F88#331F88

#331F88 is a dark, vivid violet. Relative luminance 0.035; OKLCH L 34.3% C 0.162 H 282.4°. Best body text is #FFFFFF at 12.41:1 contrast (WCAG AA passes).

Color values

HEX	#331F88
RGB	rgb(51, 31, 136)
HSL	hsl(251, 63%, 33%)
HSV	hsv(251, 77%, 53%)
CMYK	cmyk(62.5%, 77.2%, 0%, 46.7%)
CIE-LAB	lab(21.80, 39.38, -55.00)
CIE-LCH	lch(21.80, 67.65, 305.61°)
OKLab	oklab(34.33% 0.0348 -0.1586)
OKLCH	oklch(34.33% 0.162 282.4)
XYZ	xyz(6.2978, 3.4609, 23.6239)
Luminance	0.0346 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331F88 #74881F

analogous

#1F3F88 #331F88 #681F88

triadic

#331F88 #88331F #1F8833

tetradic

#331F88 #881F3F #74881F #1F8868

square

#331F88 #881F3F #74881F #1F8868

split-complementary

#331F88 #88681F #3F881F

monochromatic

#0E0824 #201456 #331F88 #462ABA #664BD6

Accessibility & contrast

On white

12.41

#331F88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#331F88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331F88

12.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331F88	#FFFFFF	#000000	##FFFFFF
##331F88	1.00	12.41	1.69	12.41
#FFFFFF	12.41	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00388B

Deuteranopia (green-blind)

#003186

Tritanopia (blue-blind)

#003D52

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #331f88;
/* rgb */ color: rgb(51, 31, 136);
/* oklch */ color: oklch(34.3% 0.162 282.4);

Tailwind

colors: {
  custom: {
    50: '#765dac',
    500: '#331f88',
    950: '#000000',
  },
}

SCSS

$custom: #331f88;
$custom-light: #765dac;
$custom-dark: #000000;

JSON

{
  "hex": "#331f88",
  "rgb": {
    "r": 51,
    "g": 31,
    "b": 136
  },
  "hsl": {
    "h": 251.429,
    "s": 62.874,
    "l": 32.745
  },
  "oklch": {
    "l": 0.3433,
    "c": 0.16238,
    "h": 282.4
  },
  "luminance": 0.03461
}

Semantic roles & 50–950 ramp

primary

#331F88

secondary

#A4B94A

accent

#E642C7

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #331F88

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

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