#331C59#331C59

#331C59 is a dark, moderate violet. Relative luminance 0.023; OKLCH L 29.4% C 0.105 H 296.8°. Best body text is #FFFFFF at 14.47:1 contrast (WCAG AA passes).

Color values

HEX	#331C59
RGB	rgb(51, 28, 89)
HSL	hsl(263, 52%, 23%)
HSV	hsv(263, 69%, 35%)
CMYK	cmyk(42.7%, 68.5%, 0%, 65.1%)
CIE-LAB	lab(16.77, 26.38, -32.80)
CIE-LCH	lch(16.77, 42.10, 308.81°)
OKLab	oklab(29.39% 0.0472 -0.0935)
OKLCH	oklch(29.39% 0.105 296.8)
XYZ	xyz(3.5832, 2.2555, 9.6958)
Luminance	0.0226 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331C59 #42591C

analogous

#1C2359 #331C59 #511C59

triadic

#331C59 #59331C #1C5933

tetradic

#331C59 #591C23 #42591C #1C5951

square

#331C59 #591C23 #42591C #1C5951

split-complementary

#331C59 #59511C #23591C

monochromatic

#0D0717 #180D2A #331C59 #4E2B88 #6839B6

Accessibility & contrast

On white

14.47

#331C59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#331C59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331C59

14.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331C59	#FFFFFF	#000000	##FFFFFF
##331C59	1.00	14.47	1.45	14.47
#FFFFFF	14.47	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A5B

Deuteranopia (green-blind)

#002958

Tritanopia (blue-blind)

#2A2A37

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #331c59;
/* rgb */ color: rgb(51, 28, 89);
/* oklch */ color: oklch(29.4% 0.105 296.8);

Tailwind

colors: {
  custom: {
    50: '#6e5988',
    500: '#331c59',
    950: '#000000',
  },
}

SCSS

$custom: #331c59;
$custom-light: #6e5988;
$custom-dark: #000000;

JSON

{
  "hex": "#331c59",
  "rgb": {
    "r": 51,
    "g": 28,
    "b": 89
  },
  "hsl": {
    "h": 262.623,
    "s": 52.137,
    "l": 22.941
  },
  "oklch": {
    "l": 0.29392,
    "c": 0.10471,
    "h": 296.8
  },
  "luminance": 0.02256
}

Semantic roles & 50–950 ramp

primary

#331C59

secondary

#728F42

accent

#DC4CA6

background

#F6F5F8

surface

#ECE9F0

border

#C7C5CB

text

#07040B

muted

#7A797C

Preview Lab

Preview with #331C59

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

Preview Lab → · Contrast checker → · Palette generator →