#331C82#331C82

#331C82 is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.3% C 0.158 H 284.1°. Best body text is #FFFFFF at 12.89:1 contrast (WCAG AA passes).

Color values

HEX	#331C82
RGB	rgb(51, 28, 130)
HSL	hsl(254, 65%, 31%)
HSV	hsv(254, 78%, 51%)
CMYK	cmyk(60.8%, 78.5%, 0%, 49%)
CIE-LAB	lab(20.62, 39.11, -53.18)
CIE-LCH	lch(20.62, 66.01, 306.33°)
OKLab	oklab(33.31% 0.0386 -0.1532)
OKLCH	oklch(33.31% 0.158 284.1)
XYZ	xyz(5.8085, 3.1456, 21.4159)
Luminance	0.0315 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331C82 #6B821C

analogous

#1C3882 #331C82 #661C82

triadic

#331C82 #82331C #1C8233

tetradic

#331C82 #821C38 #6B821C #1C8266

square

#331C82 #821C38 #6B821C #1C8266

split-complementary

#331C82 #82661C #38821C

monochromatic

#0B061D #1F1150 #331C82 #4727B4 #6442D6

Accessibility & contrast

On white

12.89

#331C82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#331C82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331C82

12.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331C82	#FFFFFF	#000000	##FFFFFF
##331C82	1.00	12.89	1.63	12.89
#FFFFFF	12.89	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003585

Deuteranopia (green-blind)

#002E80

Tritanopia (blue-blind)

#03394E

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #331c82;
/* rgb */ color: rgb(51, 28, 130);
/* oklch */ color: oklch(33.3% 0.158 284.1);

Tailwind

colors: {
  custom: {
    50: '#755ba7',
    500: '#331c82',
    950: '#000000',
  },
}

SCSS

$custom: #331c82;
$custom-light: #755ba7;
$custom-dark: #000000;

JSON

{
  "hex": "#331c82",
  "rgb": {
    "r": 51,
    "g": 28,
    "b": 130
  },
  "hsl": {
    "h": 253.529,
    "s": 64.557,
    "l": 30.98
  },
  "oklch": {
    "l": 0.3331,
    "c": 0.15803,
    "h": 284.1
  },
  "luminance": 0.03146
}

Semantic roles & 50–950 ramp

primary

#331C82

secondary

#9CB544

accent

#E840C2

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #331C82

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

Preview Lab → · Contrast checker → · Palette generator →