#331D78#331D78

#331D78 is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.4% C 0.144 H 286.3°. Best body text is #FFFFFF at 13.23:1 contrast (WCAG AA passes).

Color values

HEX	#331D78
RGB	rgb(51, 29, 120)
HSL	hsl(255, 61%, 29%)
HSV	hsv(255, 76%, 47%)
CMYK	cmyk(57.5%, 75.8%, 0%, 52.9%)
CIE-LAB	lab(19.80, 35.45, -48.17)
CIE-LCH	lch(19.80, 59.81, 306.35°)
OKLab	oklab(32.42% 0.0405 -0.1386)
OKLCH	oklch(32.42% 0.144 286.3)
XYZ	xyz(5.1938, 2.9383, 18.0591)
Luminance	0.0294 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331D78 #62781D

analogous

#1D3578 #331D78 #611D78

triadic

#331D78 #78331D #1D7833

tetradic

#331D78 #781D35 #62781D #1D7861

square

#331D78 #781D35 #62781D #1D7861

split-complementary

#331D78 #78611D #35781D

monochromatic

#0A0619 #1E1147 #331D78 #4829A9 #623FD1

Accessibility & contrast

On white

13.23

#331D78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#331D78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331D78

13.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331D78	#FFFFFF	#000000	##FFFFFF
##331D78	1.00	13.23	1.59	13.23
#FFFFFF	13.23	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00327B

Deuteranopia (green-blind)

#002D76

Tritanopia (blue-blind)

#143649

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #331d78;
/* rgb */ color: rgb(51, 29, 120);
/* oklch */ color: oklch(32.4% 0.144 286.3);

Tailwind

colors: {
  custom: {
    50: '#735ba0',
    500: '#331d78',
    950: '#000000',
  },
}

SCSS

$custom: #331d78;
$custom-light: #735ba0;
$custom-dark: #000000;

JSON

{
  "hex": "#331d78",
  "rgb": {
    "r": 51,
    "g": 29,
    "b": 120
  },
  "hsl": {
    "h": 254.505,
    "s": 61.074,
    "l": 29.216
  },
  "oklch": {
    "l": 0.32423,
    "c": 0.14439,
    "h": 286.3
  },
  "luminance": 0.02939
}

Semantic roles & 50–950 ramp

primary

#331D78

secondary

#93AC45

accent

#E444BD

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040F

muted

#7B797E

Preview Lab

Preview with #331D78

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

Preview Lab → · Contrast checker → · Palette generator →