#331F72#331F72

#331F72 is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.1% C 0.134 H 287.3°. Best body text is #FFFFFF at 13.29:1 contrast (WCAG AA passes).

Color values

HEX	#331F72
RGB	rgb(51, 31, 114)
HSL	hsl(254, 57%, 28%)
HSV	hsv(254, 73%, 45%)
CMYK	cmyk(55.3%, 72.8%, 0%, 55.3%)
CIE-LAB	lab(19.63, 32.40, -44.58)
CIE-LCH	lch(19.63, 55.11, 306.00°)
OKLab	oklab(32.13% 0.04 -0.1281)
OKLCH	oklch(32.13% 0.134 287.3)
XYZ	xyz(4.8916, 2.8984, 16.2180)
Luminance	0.0290 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331F72 #5E721F

analogous

#1F3472 #331F72 #5C1F72

triadic

#331F72 #72331F #1F7233

tetradic

#331F72 #721F34 #5E721F #1F725C

square

#331F72 #721F34 #5E721F #1F725C

split-complementary

#331F72 #725C1F #34721F

monochromatic

#0B0718 #1D1242 #331F72 #492CA2 #6240CB

Accessibility & contrast

On white

13.29

#331F72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#331F72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331F72

13.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331F72	#FFFFFF	#000000	##FFFFFF
##331F72	1.00	13.29	1.58	13.29
#FFFFFF	13.29	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003174

Deuteranopia (green-blind)

#002D70

Tritanopia (blue-blind)

#1A3546

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #331f72;
/* rgb */ color: rgb(51, 31, 114);
/* oklch */ color: oklch(32.1% 0.134 287.3);

Tailwind

colors: {
  custom: {
    50: '#725c9b',
    500: '#331f72',
    950: '#000000',
  },
}

SCSS

$custom: #331f72;
$custom-light: #725c9b;
$custom-dark: #000000;

JSON

{
  "hex": "#331f72",
  "rgb": {
    "r": 51,
    "g": 31,
    "b": 114
  },
  "hsl": {
    "h": 254.458,
    "s": 57.241,
    "l": 28.431
  },
  "oklch": {
    "l": 0.32131,
    "c": 0.13419,
    "h": 287.3
  },
  "luminance": 0.02899
}

Semantic roles & 50–950 ramp

primary

#331F72

secondary

#8FA647

accent

#E047BC

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #331F72

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

Preview Lab → · Contrast checker → · Palette generator →