#331F60#331F60

#331F60 is a dark, moderate violet. Relative luminance 0.025; OKLCH L 30.5% C 0.110 H 292.9°. Best body text is #FFFFFF at 13.95:1 contrast (WCAG AA passes).

Color values

HEX	#331F60
RGB	rgb(51, 31, 96)
HSL	hsl(258, 51%, 25%)
HSV	hsv(258, 68%, 38%)
CMYK	cmyk(46.9%, 67.7%, 0%, 62.4%)
CIE-LAB	lab(18.05, 26.68, -35.41)
CIE-LCH	lch(18.05, 44.33, 306.99°)
OKLab	oklab(30.49% 0.0427 -0.1011)
OKLCH	oklch(30.49% 0.11 292.9)
XYZ	xyz(3.9660, 2.5282, 11.3431)
Luminance	0.0253 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331F60 #4C601F

analogous

#1F2B60 #331F60 #541F60

triadic

#331F60 #60331F #1F6033

tetradic

#331F60 #601F2B #4C601F #1F6054

square

#331F60 #601F2B #4C601F #1F6054

split-complementary

#331F60 #60541F #2B601F

monochromatic

#0C0717 #1A1032 #331F60 #4C2E8E #643DBD

Accessibility & contrast

On white

13.95

#331F60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#331F60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331F60

13.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331F60	#FFFFFF	#000000	##FFFFFF
##331F60	1.00	13.95	1.51	13.95
#FFFFFF	13.95	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D62

Deuteranopia (green-blind)

#002B5F

Tritanopia (blue-blind)

#262E3C

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #331f60;
/* rgb */ color: rgb(51, 31, 96);
/* oklch */ color: oklch(30.5% 0.110 292.9);

Tailwind

colors: {
  custom: {
    50: '#6f5c8e',
    500: '#331f60',
    950: '#000000',
  },
}

SCSS

$custom: #331f60;
$custom-light: #6f5c8e;
$custom-dark: #000000;

JSON

{
  "hex": "#331f60",
  "rgb": {
    "r": 51,
    "g": 31,
    "b": 96
  },
  "hsl": {
    "h": 258.462,
    "s": 51.181,
    "l": 24.902
  },
  "oklch": {
    "l": 0.30494,
    "c": 0.10978,
    "h": 292.9
  },
  "luminance": 0.02528
}

Semantic roles & 50–950 ramp

primary

#331F60

secondary

#7C9546

accent

#DB4DAF

background

#F6F5F8

surface

#ECE9F0

border

#C7C5CB

text

#08040C

muted

#7B797D

Preview Lab

Preview with #331F60

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

Preview Lab → · Contrast checker → · Palette generator →