#331F7D#331F7D

#331F7D is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.2% C 0.148 H 284.7°. Best body text is #FFFFFF at 12.86:1 contrast (WCAG AA passes).

Color values

HEX	#331F7D
RGB	rgb(51, 31, 125)
HSL	hsl(253, 60%, 31%)
HSV	hsv(253, 75%, 49%)
CMYK	cmyk(59.2%, 75.2%, 0%, 51%)
CIE-LAB	lab(20.69, 35.90, -49.89)
CIE-LCH	lch(20.69, 61.47, 305.74°)
OKLab	oklab(33.21% 0.0376 -0.1436)
OKLCH	oklch(33.21% 0.148 284.7)
XYZ	xyz(5.5558, 3.1641, 19.7160)
Luminance	0.0316 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331F7D #697D1F

analogous

#1F3A7D #331F7D #621F7D

triadic

#331F7D #7D331F #1F7D33

tetradic

#331F7D #7D1F3A #697D1F #1F7D62

square

#331F7D #7D1F3A #697D1F #1F7D62

split-complementary

#331F7D #7D621F #3A7D1F

monochromatic

#0B071B #1F134C #331F7D #472BAE #6345D1

Accessibility & contrast

On white

12.86

#331F7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#331F7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331F7D

12.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331F7D	#FFFFFF	#000000	##FFFFFF
##331F7D	1.00	12.86	1.63	12.86
#FFFFFF	12.86	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003480

Deuteranopia (green-blind)

#002F7B

Tritanopia (blue-blind)

#0D394C

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #331f7d;
/* rgb */ color: rgb(51, 31, 125);
/* oklch */ color: oklch(33.2% 0.148 284.7);

Tailwind

colors: {
  custom: {
    50: '#745da4',
    500: '#331f7d',
    950: '#000000',
  },
}

SCSS

$custom: #331f7d;
$custom-light: #745da4;
$custom-dark: #000000;

JSON

{
  "hex": "#331f7d",
  "rgb": {
    "r": 51,
    "g": 31,
    "b": 125
  },
  "hsl": {
    "h": 252.766,
    "s": 60.256,
    "l": 30.588
  },
  "oklch": {
    "l": 0.33207,
    "c": 0.14849,
    "h": 284.7
  },
  "luminance": 0.03164
}

Semantic roles & 50–950 ramp

primary

#331F7D

secondary

#9AB048

accent

#E344C2

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #331F7D

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

Preview Lab → · Contrast checker → · Palette generator →