#331C83#331C83

#331C83 is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.4% C 0.159 H 283.9°. Best body text is #FFFFFF at 12.85:1 contrast (WCAG AA passes).

Color values

HEX	#331C83
RGB	rgb(51, 28, 131)
HSL	hsl(253, 65%, 31%)
HSV	hsv(253, 79%, 51%)
CMYK	cmyk(61.1%, 78.6%, 0%, 48.6%)
CIE-LAB	lab(20.72, 39.42, -53.64)
CIE-LCH	lch(20.72, 66.56, 306.31°)
OKLab	oklab(33.42% 0.0383 -0.1546)
OKLCH	oklch(33.42% 0.159 283.9)
XYZ	xyz(5.8760, 3.1726, 21.7711)
Luminance	0.0317 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331C83 #6C831C

analogous

#1C3883 #331C83 #661C83

triadic

#331C83 #83331C #1C8333

tetradic

#331C83 #831C38 #6C831C #1C8366

square

#331C83 #831C38 #6C831C #1C8366

split-complementary

#331C83 #83661C #38831C

monochromatic

#0C061E #1F1151 #331C83 #4727B5 #6443D7

Accessibility & contrast

On white

12.85

#331C83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#331C83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331C83

12.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331C83	#FFFFFF	#000000	##FFFFFF
##331C83	1.00	12.85	1.63	12.85
#FFFFFF	12.85	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003586

Deuteranopia (green-blind)

#002E81

Tritanopia (blue-blind)

#003A4E

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #331c83;
/* rgb */ color: rgb(51, 28, 131);
/* oklch */ color: oklch(33.4% 0.159 283.9);

Tailwind

colors: {
  custom: {
    50: '#755ba8',
    500: '#331c83',
    950: '#000000',
  },
}

SCSS

$custom: #331c83;
$custom-light: #755ba8;
$custom-dark: #000000;

JSON

{
  "hex": "#331c83",
  "rgb": {
    "r": 51,
    "g": 28,
    "b": 131
  },
  "hsl": {
    "h": 253.398,
    "s": 64.78,
    "l": 31.176
  },
  "oklch": {
    "l": 0.33415,
    "c": 0.15926,
    "h": 283.9
  },
  "luminance": 0.03173
}

Semantic roles & 50–950 ramp

primary

#331C83

secondary

#9DB645

accent

#E840C2

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #331C83

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

Preview Lab → · Contrast checker → · Palette generator →