#331F80#331F80

#331F80 is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.5% C 0.152 H 284.0°. Best body text is #FFFFFF at 12.74:1 contrast (WCAG AA passes).

Color values

HEX	#331F80
RGB	rgb(51, 31, 128)
HSL	hsl(252, 61%, 31%)
HSV	hsv(252, 76%, 50%)
CMYK	cmyk(60.2%, 75.8%, 0%, 49.8%)
CIE-LAB	lab(20.99, 36.86, -51.30)
CIE-LCH	lch(20.99, 63.17, 305.69°)
OKLab	oklab(33.51% 0.0369 -0.1478)
OKLCH	oklch(33.51% 0.152 284)
XYZ	xyz(5.7503, 3.2419, 20.7406)
Luminance	0.0324 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331F80 #6C801F

analogous

#1F3B80 #331F80 #631F80

triadic

#331F80 #80331F #1F8033

tetradic

#331F80 #801F3B #6C801F #1F8063

square

#331F80 #801F3B #6C801F #1F8063

split-complementary

#331F80 #80631F #3B801F

monochromatic

#0C071D #1F134F #331F80 #472BB1 #6447D2

Accessibility & contrast

On white

12.74

#331F80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#331F80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331F80

12.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331F80	#FFFFFF	#000000	##FFFFFF
##331F80	1.00	12.74	1.65	12.74
#FFFFFF	12.74	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003583

Deuteranopia (green-blind)

#002F7E

Tritanopia (blue-blind)

#063A4E

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #331f80;
/* rgb */ color: rgb(51, 31, 128);
/* oklch */ color: oklch(33.5% 0.152 284.0);

Tailwind

colors: {
  custom: {
    50: '#755da6',
    500: '#331f80',
    950: '#000000',
  },
}

SCSS

$custom: #331f80;
$custom-light: #755da6;
$custom-dark: #000000;

JSON

{
  "hex": "#331f80",
  "rgb": {
    "r": 51,
    "g": 31,
    "b": 128
  },
  "hsl": {
    "h": 252.371,
    "s": 61.006,
    "l": 31.176
  },
  "oklch": {
    "l": 0.33509,
    "c": 0.15231,
    "h": 284
  },
  "luminance": 0.03242
}

Semantic roles & 50–950 ramp

primary

#331F80

secondary

#9DB348

accent

#E444C3

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #331F80

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

Preview Lab → · Contrast checker → · Palette generator →