#331F87#331F87

#331F87 is a dark, vivid violet. Relative luminance 0.034; OKLCH L 34.2% C 0.161 H 282.6°. Best body text is #FFFFFF at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#331F87
RGB	rgb(51, 31, 135)
HSL	hsl(252, 63%, 33%)
HSV	hsv(252, 77%, 53%)
CMYK	cmyk(62.2%, 77%, 0%, 47.1%)
CIE-LAB	lab(21.70, 39.07, -54.54)
CIE-LCH	lch(21.70, 67.09, 305.61°)
OKLab	oklab(34.23% 0.0351 -0.1573)
OKLCH	oklch(34.23% 0.161 282.6)
XYZ	xyz(6.2270, 3.4326, 23.2514)
Luminance	0.0343 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331F87 #73871F

analogous

#1F3F87 #331F87 #671F87

triadic

#331F87 #87331F #1F8733

tetradic

#331F87 #871F3F #73871F #1F8767

square

#331F87 #871F3F #73871F #1F8767

split-complementary

#331F87 #87671F #3F871F

monochromatic

#0D0823 #201455 #331F87 #462AB9 #654BD6

Accessibility & contrast

On white

12.45

#331F87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#331F87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331F87

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331F87	#FFFFFF	#000000	##FFFFFF
##331F87	1.00	12.45	1.69	12.45
#FFFFFF	12.45	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00378A

Deuteranopia (green-blind)

#003085

Tritanopia (blue-blind)

#003C51

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #331f87;
/* rgb */ color: rgb(51, 31, 135);
/* oklch */ color: oklch(34.2% 0.161 282.6);

Tailwind

colors: {
  custom: {
    50: '#765dab',
    500: '#331f87',
    950: '#000000',
  },
}

SCSS

$custom: #331f87;
$custom-light: #765dab;
$custom-dark: #000000;

JSON

{
  "hex": "#331f87",
  "rgb": {
    "r": 51,
    "g": 31,
    "b": 135
  },
  "hsl": {
    "h": 251.538,
    "s": 62.651,
    "l": 32.549
  },
  "oklch": {
    "l": 0.34226,
    "c": 0.16113,
    "h": 282.6
  },
  "luminance": 0.03433
}

Semantic roles & 50–950 ramp

primary

#331F87

secondary

#A3B84A

accent

#E642C6

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #331F87

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

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