#331A78#331A78

#331A78 is a dark, vivid violet. Relative luminance 0.028; OKLCH L 32.0% C 0.148 H 286.9°. Best body text is #FFFFFF at 13.46:1 contrast (WCAG AA passes).

Color values

HEX	#331A78
RGB	rgb(51, 26, 120)
HSL	hsl(256, 64%, 29%)
HSV	hsv(256, 78%, 47%)
CMYK	cmyk(57.5%, 78.3%, 0%, 52.9%)
CIE-LAB	lab(19.22, 37.08, -49.12)
CIE-LCH	lch(19.22, 61.54, 307.05°)
OKLab	oklab(32.02% 0.043 -0.1413)
OKLCH	oklch(32.02% 0.148 286.9)
XYZ	xyz(5.1238, 2.7984, 18.0358)
Luminance	0.0280 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331A78 #5F781A

analogous

#1A3078 #331A78 #621A78

triadic

#331A78 #78331A #1A7833

tetradic

#331A78 #781A30 #5F781A #1A7862

square

#331A78 #781A30 #5F781A #1A7862

split-complementary

#331A78 #78621A #30781A

monochromatic

#0B0519 #1E0F46 #331A78 #4825AA #6238D4

Accessibility & contrast

On white

13.46

#331A78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#331A78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331A78

13.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331A78	#FFFFFF	#000000	##FFFFFF
##331A78	1.00	13.46	1.56	13.46
#FFFFFF	13.46	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317B

Deuteranopia (green-blind)

#002C76

Tritanopia (blue-blind)

#143448

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #331a78;
/* rgb */ color: rgb(51, 26, 120);
/* oklch */ color: oklch(32.0% 0.148 286.9);

Tailwind

colors: {
  custom: {
    50: '#735aa0',
    500: '#331a78',
    950: '#000000',
  },
}

SCSS

$custom: #331a78;
$custom-light: #735aa0;
$custom-dark: #000000;

JSON

{
  "hex": "#331a78",
  "rgb": {
    "r": 51,
    "g": 26,
    "b": 120
  },
  "hsl": {
    "h": 255.957,
    "s": 64.384,
    "l": 28.627
  },
  "oklch": {
    "l": 0.32016,
    "c": 0.14774,
    "h": 286.9
  },
  "luminance": 0.02799
}

Semantic roles & 50–950 ramp

primary

#331A78

secondary

#90AC41

accent

#E740BB

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040F

muted

#7B797E

Preview Lab

Preview with #331A78

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

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