#331D83#331D83

#331D83 is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.5% C 0.158 H 283.8°. Best body text is #FFFFFF at 12.77:1 contrast (WCAG AA passes).

Color values

HEX	#331D83
RGB	rgb(51, 29, 131)
HSL	hsl(253, 64%, 31%)
HSV	hsv(253, 78%, 51%)
CMYK	cmyk(61.1%, 77.9%, 0%, 48.6%)
CIE-LAB	lab(20.91, 38.89, -53.33)
CIE-LCH	lch(20.91, 66.01, 306.10°)
OKLab	oklab(33.55% 0.0376 -0.1537)
OKLCH	oklch(33.55% 0.158 283.8)
XYZ	xyz(5.9001, 3.2208, 21.7791)
Luminance	0.0322 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331D83 #6D831D

analogous

#1D3A83 #331D83 #661D83

triadic

#331D83 #83331D #1D8333

tetradic

#331D83 #831D3A #6D831D #1D8366

square

#331D83 #831D3A #6D831D #1D8366

split-complementary

#331D83 #83661D #3A831D

monochromatic

#0C071F #1F1251 #331D83 #4728B5 #6445D6

Accessibility & contrast

On white

12.77

#331D83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#331D83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331D83

12.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331D83	#FFFFFF	#000000	##FFFFFF
##331D83	1.00	12.77	1.64	12.77
#FFFFFF	12.77	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003586

Deuteranopia (green-blind)

#002F81

Tritanopia (blue-blind)

#003A4F

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #331d83;
/* rgb */ color: rgb(51, 29, 131);
/* oklch */ color: oklch(33.5% 0.158 283.8);

Tailwind

colors: {
  custom: {
    50: '#755ca8',
    500: '#331d83',
    950: '#000000',
  },
}

SCSS

$custom: #331d83;
$custom-light: #755ca8;
$custom-dark: #000000;

JSON

{
  "hex": "#331d83",
  "rgb": {
    "r": 51,
    "g": 29,
    "b": 131
  },
  "hsl": {
    "h": 252.941,
    "s": 63.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.33545,
    "c": 0.15824,
    "h": 283.8
  },
  "luminance": 0.03221
}

Semantic roles & 50–950 ramp

primary

#331D83

secondary

#9EB646

accent

#E741C3

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #331D83

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

Preview Lab → · Contrast checker → · Palette generator →