#331D8B#331D8B

#331D8B is a dark, vivid violet. Relative luminance 0.034; OKLCH L 34.4% C 0.168 H 282.1°. Best body text is #FFFFFF at 12.43:1 contrast (WCAG AA passes).

Color values

HEX	#331D8B
RGB	rgb(51, 29, 139)
HSL	hsl(252, 65%, 33%)
HSV	hsv(252, 79%, 55%)
CMYK	cmyk(63.3%, 79.1%, 0%, 45.5%)
CIE-LAB	lab(21.75, 41.37, -56.97)
CIE-LCH	lch(21.75, 70.41, 305.99°)
OKLab	oklab(34.39% 0.0354 -0.1643)
OKLCH	oklch(34.39% 0.168 282.1)
XYZ	xyz(6.4633, 3.4462, 24.7457)
Luminance	0.0345 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331D8B #758B1D

analogous

#1D3E8B #331D8B #6A1D8B

triadic

#331D8B #8B331D #1D8B33

tetradic

#331D8B #8B1D3E #758B1D #1D8B6A

square

#331D8B #8B1D3E #758B1D #1D8B6A

split-complementary

#331D8B #8B6A1D #3E8B1D

monochromatic

#0E0826 #201258 #331D8B #4628BE #6649D9

Accessibility & contrast

On white

12.43

#331D8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#331D8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331D8B

12.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331D8B	#FFFFFF	#000000	##FFFFFF
##331D8B	1.00	12.43	1.69	12.43
#FFFFFF	12.43	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00388E

Deuteranopia (green-blind)

#003089

Tritanopia (blue-blind)

#003D53

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #331d8b;
/* rgb */ color: rgb(51, 29, 139);
/* oklch */ color: oklch(34.4% 0.168 282.1);

Tailwind

colors: {
  custom: {
    50: '#775cae',
    500: '#331d8b',
    950: '#000000',
  },
}

SCSS

$custom: #331d8b;
$custom-light: #775cae;
$custom-dark: #000000;

JSON

{
  "hex": "#331d8b",
  "rgb": {
    "r": 51,
    "g": 29,
    "b": 139
  },
  "hsl": {
    "h": 252,
    "s": 65.476,
    "l": 32.941
  },
  "oklch": {
    "l": 0.34387,
    "c": 0.16807,
    "h": 282.1
  },
  "luminance": 0.03447
}

Semantic roles & 50–950 ramp

primary

#331D8B

secondary

#A4BB49

accent

#E83FC7

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #331D8B

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

Preview Lab → · Contrast checker → · Palette generator →