#331973#331973

#331973 is a dark, vivid violet. Relative luminance 0.026; OKLCH L 31.4% C 0.143 H 288.5°. Best body text is #FFFFFF at 13.75:1 contrast (WCAG AA passes).

Color values

HEX	#331973
RGB	rgb(51, 25, 115)
HSL	hsl(257, 64%, 27%)
HSV	hsv(257, 78%, 45%)
CMYK	cmyk(55.7%, 78.3%, 0%, 54.9%)
CIE-LAB	lab(18.53, 36.08, -47.04)
CIE-LCH	lch(18.53, 59.29, 307.49°)
OKLab	oklab(31.38% 0.0452 -0.1353)
OKLCH	oklch(31.38% 0.143 288.5)
XYZ	xyz(4.8065, 2.6366, 16.4720)
Luminance	0.0264 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331973 #597319

analogous

#192C73 #331973 #601973

triadic

#331973 #733319 #197333

tetradic

#331973 #73192C #597319 #197360

square

#331973 #73192C #597319 #197360

split-complementary

#331973 #736019 #2C7319

monochromatic

#0B0519 #1D0E41 #331973 #4924A5 #6234D3

Accessibility & contrast

On white

13.75

#331973 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#331973 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331973

13.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331973	#FFFFFF	#000000	##FFFFFF
##331973	1.00	13.75	1.53	13.75
#FFFFFF	13.75	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F76

Deuteranopia (green-blind)

#002B71

Tritanopia (blue-blind)

#1A3245

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #331973;
/* rgb */ color: rgb(51, 25, 115);
/* oklch */ color: oklch(31.4% 0.143 288.5);

Tailwind

colors: {
  custom: {
    50: '#73599c',
    500: '#331973',
    950: '#000000',
  },
}

SCSS

$custom: #331973;
$custom-light: #73599c;
$custom-dark: #000000;

JSON

{
  "hex": "#331973",
  "rgb": {
    "r": 51,
    "g": 25,
    "b": 115
  },
  "hsl": {
    "h": 257.333,
    "s": 64.286,
    "l": 27.451
  },
  "oklch": {
    "l": 0.31376,
    "c": 0.14262,
    "h": 288.5
  },
  "luminance": 0.02637
}

Semantic roles & 50–950 ramp

primary

#331973

secondary

#8AA840

accent

#E741B7

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040E

muted

#7B797E

Preview Lab

Preview with #331973

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

Preview Lab → · Contrast checker → · Palette generator →