#331D7D#331D7D

#331D7D is a dark, vivid violet. Relative luminance 0.031; OKLCH L 32.9% C 0.151 H 285.1°. Best body text is #FFFFFF at 13.02:1 contrast (WCAG AA passes).

Color values

HEX	#331D7D
RGB	rgb(51, 29, 125)
HSL	hsl(254, 62%, 30%)
HSV	hsv(254, 77%, 49%)
CMYK	cmyk(59.2%, 76.8%, 0%, 51%)
CIE-LAB	lab(20.29, 37.02, -50.54)
CIE-LCH	lch(20.29, 62.65, 306.22°)
OKLab	oklab(32.93% 0.0392 -0.1455)
OKLCH	oklch(32.93% 0.151 285.1)
XYZ	xyz(5.5052, 3.0629, 19.6992)
Luminance	0.0306 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331D7D #677D1D

analogous

#1D377D #331D7D #631D7D

triadic

#331D7D #7D331D #1D7D33

tetradic

#331D7D #7D1D37 #677D1D #1D7D63

square

#331D7D #7D1D37 #677D1D #1D7D63

split-complementary

#331D7D #7D631D #377D1D

monochromatic

#0A061A #1F114B #331D7D #4729AF #6341D3

Accessibility & contrast

On white

13.02

#331D7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#331D7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331D7D

13.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331D7D	#FFFFFF	#000000	##FFFFFF
##331D7D	1.00	13.02	1.61	13.02
#FFFFFF	13.02	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003480

Deuteranopia (green-blind)

#002E7B

Tritanopia (blue-blind)

#0D384B

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #331d7d;
/* rgb */ color: rgb(51, 29, 125);
/* oklch */ color: oklch(32.9% 0.151 285.1);

Tailwind

colors: {
  custom: {
    50: '#745ca4',
    500: '#331d7d',
    950: '#000000',
  },
}

SCSS

$custom: #331d7d;
$custom-light: #745ca4;
$custom-dark: #000000;

JSON

{
  "hex": "#331d7d",
  "rgb": {
    "r": 51,
    "g": 29,
    "b": 125
  },
  "hsl": {
    "h": 253.75,
    "s": 62.338,
    "l": 30.196
  },
  "oklch": {
    "l": 0.32928,
    "c": 0.15073,
    "h": 285.1
  },
  "luminance": 0.03063
}

Semantic roles & 50–950 ramp

primary

#331D7D

secondary

#98B145

accent

#E542C0

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #331D7D

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

Preview Lab → · Contrast checker → · Palette generator →