#331878#331878

#331878 is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.8% C 0.150 H 287.3°. Best body text is #FFFFFF at 13.61:1 contrast (WCAG AA passes).

Color values

HEX	#331878
RGB	rgb(51, 24, 120)
HSL	hsl(257, 67%, 28%)
HSV	hsv(257, 80%, 47%)
CMYK	cmyk(57.5%, 80%, 0%, 52.9%)
CIE-LAB	lab(18.86, 38.11, -49.71)
CIE-LCH	lch(18.86, 62.64, 307.48°)
OKLab	oklab(31.76% 0.0446 -0.1431)
OKLCH	oklch(31.76% 0.15 287.3)
XYZ	xyz(5.0810, 2.7129, 18.0216)
Luminance	0.0271 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331878 #5D7818

analogous

#182D78 #331878 #631878

triadic

#331878 #783318 #187833

tetradic

#331878 #78182D #5D7818 #187863

square

#331878 #78182D #5D7818 #187863

split-complementary

#331878 #786318 #2D7818

monochromatic

#0B051A #1D0E45 #331878 #4922AB #6234D6

Accessibility & contrast

On white

13.61

#331878 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#331878 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331878

13.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331878	#FFFFFF	#000000	##FFFFFF
##331878	1.00	13.61	1.54	13.61
#FFFFFF	13.61	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00307B

Deuteranopia (green-blind)

#002B76

Tritanopia (blue-blind)

#153347

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #331878;
/* rgb */ color: rgb(51, 24, 120);
/* oklch */ color: oklch(31.8% 0.150 287.3);

Tailwind

colors: {
  custom: {
    50: '#7459a0',
    500: '#331878',
    950: '#000000',
  },
}

SCSS

$custom: #331878;
$custom-light: #7459a0;
$custom-dark: #000000;

JSON

{
  "hex": "#331878",
  "rgb": {
    "r": 51,
    "g": 24,
    "b": 120
  },
  "hsl": {
    "h": 256.875,
    "s": 66.667,
    "l": 28.235
  },
  "oklch": {
    "l": 0.31762,
    "c": 0.14986,
    "h": 287.3
  },
  "luminance": 0.02713
}

Semantic roles & 50–950 ramp

primary

#331878

secondary

#8EAD3F

accent

#EA3EB9

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040F

muted

#7B797E

Preview Lab

Preview with #331878

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

Preview Lab → · Contrast checker → · Palette generator →