#331F63#331F63

#331F63 is a dark, moderate violet. Relative luminance 0.026; OKLCH L 30.8% C 0.114 H 291.8°. Best body text is #FFFFFF at 13.84:1 contrast (WCAG AA passes).

Color values

HEX	#331F63
RGB	rgb(51, 31, 99)
HSL	hsl(258, 52%, 25%)
HSV	hsv(258, 69%, 39%)
CMYK	cmyk(48.5%, 68.7%, 0%, 61.2%)
CIE-LAB	lab(18.30, 27.62, -36.98)
CIE-LCH	lch(18.30, 46.16, 306.76°)
OKLab	oklab(30.76% 0.0424 -0.1058)
OKLCH	oklch(30.76% 0.114 291.8)
XYZ	xyz(4.1067, 2.5845, 12.0844)
Luminance	0.0259 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331F63 #4F631F

analogous

#1F2D63 #331F63 #551F63

triadic

#331F63 #63331F #1F6333

tetradic

#331F63 #631F2D #4F631F #1F6355

square

#331F63 #631F2D #4F631F #1F6355

split-complementary

#331F63 #63551F #2D631F

monochromatic

#0C0717 #1B1034 #331F63 #4B2E92 #633CC0

Accessibility & contrast

On white

13.84

#331F63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#331F63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331F63

13.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331F63	#FFFFFF	#000000	##FFFFFF
##331F63	1.00	13.84	1.52	13.84
#FFFFFF	13.84	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E65

Deuteranopia (green-blind)

#002B62

Tritanopia (blue-blind)

#252F3E

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #331f63;
/* rgb */ color: rgb(51, 31, 99);
/* oklch */ color: oklch(30.8% 0.114 291.8);

Tailwind

colors: {
  custom: {
    50: '#6f5c90',
    500: '#331f63',
    950: '#000000',
  },
}

SCSS

$custom: #331f63;
$custom-light: #6f5c90;
$custom-dark: #000000;

JSON

{
  "hex": "#331f63",
  "rgb": {
    "r": 51,
    "g": 31,
    "b": 99
  },
  "hsl": {
    "h": 257.647,
    "s": 52.308,
    "l": 25.49
  },
  "oklch": {
    "l": 0.30755,
    "c": 0.11394,
    "h": 291.8
  },
  "luminance": 0.02585
}

Semantic roles & 50–950 ramp

primary

#331F63

secondary

#809846

accent

#DC4CB1

background

#F6F5F8

surface

#ECE9F0

border

#C7C5CB

text

#08040C

muted

#7B797D

Preview Lab

Preview with #331F63

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

Preview Lab → · Contrast checker → · Palette generator →