#331C78#331C78

#331C78 is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.3% C 0.146 H 286.5°. Best body text is #FFFFFF at 13.31:1 contrast (WCAG AA passes).

Color values

HEX	#331C78
RGB	rgb(51, 28, 120)
HSL	hsl(255, 62%, 29%)
HSV	hsv(255, 77%, 47%)
CMYK	cmyk(57.5%, 76.7%, 0%, 52.9%)
CIE-LAB	lab(19.60, 36.00, -48.49)
CIE-LCH	lch(19.60, 60.40, 306.59°)
OKLab	oklab(32.28% 0.0413 -0.1395)
OKLCH	oklch(32.28% 0.146 286.5)
XYZ	xyz(5.1696, 2.8901, 18.0511)
Luminance	0.0289 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331C78 #61781C

analogous

#1C3378 #331C78 #611C78

triadic

#331C78 #78331C #1C7833

tetradic

#331C78 #781C33 #61781C #1C7861

square

#331C78 #781C33 #61781C #1C7861

split-complementary

#331C78 #78611C #33781C

monochromatic

#0B0619 #1E1046 #331C78 #4828AA #623DD2

Accessibility & contrast

On white

13.31

#331C78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#331C78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331C78

13.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331C78	#FFFFFF	#000000	##FFFFFF
##331C78	1.00	13.31	1.58	13.31
#FFFFFF	13.31	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00327B

Deuteranopia (green-blind)

#002D76

Tritanopia (blue-blind)

#143548

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #331c78;
/* rgb */ color: rgb(51, 28, 120);
/* oklch */ color: oklch(32.3% 0.146 286.5);

Tailwind

colors: {
  custom: {
    50: '#735ba0',
    500: '#331c78',
    950: '#000000',
  },
}

SCSS

$custom: #331c78;
$custom-light: #735ba0;
$custom-dark: #000000;

JSON

{
  "hex": "#331c78",
  "rgb": {
    "r": 51,
    "g": 28,
    "b": 120
  },
  "hsl": {
    "h": 255,
    "s": 62.162,
    "l": 29.02
  },
  "oklch": {
    "l": 0.32284,
    "c": 0.14553,
    "h": 286.5
  },
  "luminance": 0.0289
}

Semantic roles & 50–950 ramp

primary

#331C78

secondary

#92AC44

accent

#E543BD

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040F

muted

#7B797E

Preview Lab

Preview with #331C78

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

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