#331F90#331F90

#331F90 is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.2% C 0.172 H 280.9°. Best body text is #FFFFFF at 12.07:1 contrast (WCAG AA passes).

Color values

HEX	#331F90
RGB	rgb(51, 31, 144)
HSL	hsl(251, 65%, 34%)
HSV	hsv(251, 78%, 56%)
CMYK	cmyk(64.6%, 78.5%, 0%, 43.5%)
CIE-LAB	lab(22.64, 41.89, -58.61)
CIE-LCH	lch(22.64, 72.04, 305.56°)
OKLab	oklab(35.17% 0.0327 -0.1691)
OKLCH	oklch(35.17% 0.172 280.9)
XYZ	xyz(6.8877, 3.6969, 26.7308)
Luminance	0.0370 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331F90 #7C901F

analogous

#1F4490 #331F90 #6B1F90

triadic

#331F90 #90331F #1F9033

tetradic

#331F90 #901F44 #7C901F #1F906B

square

#331F90 #901F44 #7C901F #1F906B

split-complementary

#331F90 #906B1F #44901F

monochromatic

#0F092B #21145E #331F90 #452AC2 #6850D9

Accessibility & contrast

On white

12.07

#331F90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#331F90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331F90

12.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331F90	#FFFFFF	#000000	##FFFFFF
##331F90	1.00	12.07	1.74	12.07
#FFFFFF	12.07	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A93

Deuteranopia (green-blind)

#00328E

Tritanopia (blue-blind)

#004057

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #331f90;
/* rgb */ color: rgb(51, 31, 144);
/* oklch */ color: oklch(35.2% 0.172 280.9);

Tailwind

colors: {
  custom: {
    50: '#785eb2',
    500: '#331f90',
    950: '#000000',
  },
}

SCSS

$custom: #331f90;
$custom-light: #785eb2;
$custom-dark: #000000;

JSON

{
  "hex": "#331f90",
  "rgb": {
    "r": 51,
    "g": 31,
    "b": 144
  },
  "hsl": {
    "h": 250.619,
    "s": 64.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.35172,
    "c": 0.17224,
    "h": 280.9
  },
  "luminance": 0.03697
}

Semantic roles & 50–950 ramp

primary

#331F90

secondary

#A9BC4E

accent

#E840CA

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #331F90

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

Preview Lab → · Contrast checker → · Palette generator →