#331978#331978

#331978 is a dark, vivid violet. Relative luminance 0.028; OKLCH L 31.9% C 0.149 H 287.1°. Best body text is #FFFFFF at 13.54:1 contrast (WCAG AA passes).

Color values

HEX	#331978
RGB	rgb(51, 25, 120)
HSL	hsl(256, 66%, 28%)
HSV	hsv(256, 79%, 47%)
CMYK	cmyk(57.5%, 79.2%, 0%, 52.9%)
CIE-LAB	lab(19.03, 37.60, -49.42)
CIE-LCH	lch(19.03, 62.10, 307.27°)
OKLab	oklab(31.89% 0.0438 -0.1422)
OKLCH	oklch(31.89% 0.149 287.1)
XYZ	xyz(5.1020, 2.7549, 18.0286)
Luminance	0.0276 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331978 #5E7819

analogous

#192E78 #331978 #621978

triadic

#331978 #783319 #197833

tetradic

#331978 #78192E #5E7819 #197862

square

#331978 #78192E #5E7819 #197862

split-complementary

#331978 #786219 #2E7819

monochromatic

#0B0519 #1D0E45 #331978 #4924AB #6236D5

Accessibility & contrast

On white

13.54

#331978 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#331978 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331978

13.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331978	#FFFFFF	#000000	##FFFFFF
##331978	1.00	13.54	1.55	13.54
#FFFFFF	13.54	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00307B

Deuteranopia (green-blind)

#002C76

Tritanopia (blue-blind)

#143448

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #331978;
/* rgb */ color: rgb(51, 25, 120);
/* oklch */ color: oklch(31.9% 0.149 287.1);

Tailwind

colors: {
  custom: {
    50: '#7459a0',
    500: '#331978',
    950: '#000000',
  },
}

SCSS

$custom: #331978;
$custom-light: #7459a0;
$custom-dark: #000000;

JSON

{
  "hex": "#331978",
  "rgb": {
    "r": 51,
    "g": 25,
    "b": 120
  },
  "hsl": {
    "h": 256.421,
    "s": 65.517,
    "l": 28.431
  },
  "oklch": {
    "l": 0.31888,
    "c": 0.14882,
    "h": 287.1
  },
  "luminance": 0.02755
}

Semantic roles & 50–950 ramp

primary

#331978

secondary

#8FAD40

accent

#E83FBA

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040F

muted

#7B797E

Preview Lab

Preview with #331978

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

Preview Lab → · Contrast checker → · Palette generator →