#331D3F#331D3F

#331D3F is a dark, moderate violet. Relative luminance 0.019; OKLCH L 27.6% C 0.066 H 312.6°. Best body text is #FFFFFF at 15.13:1 contrast (WCAG AA passes).

Color values

HEX	#331D3F
RGB	rgb(51, 29, 63)
HSL	hsl(279, 37%, 18%)
HSV	hsv(279, 54%, 25%)
CMYK	cmyk(19%, 54%, 0%, 75.3%)
CIE-LAB	lab(15.18, 18.21, -17.55)
CIE-LCH	lch(15.18, 25.29, 316.06°)
OKLab	oklab(27.63% 0.0449 -0.0488)
OKLCH	oklch(27.63% 0.066 312.6)
XYZ	xyz(2.7017, 1.9415, 4.9341)
Luminance	0.0194 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331D3F #293F1D

analogous

#221D3F #331D3F #3F1D3A

triadic

#331D3F #3F331D #1D3F33

tetradic

#331D3F #3F221D #293F1D #1D3A3F

square

#331D3F #3F221D #293F1D #1D3A3F

split-complementary

#331D3F #3A3F1D #1D3F22

monochromatic

#110A15 #110A15 #331D3F #553069 #774493

Accessibility & contrast

On white

15.13

#331D3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#331D3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331D3F

15.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331D3F	#FFFFFF	#000000	##FFFFFF
##331D3F	1.00	15.13	1.39	15.13
#FFFFFF	15.13	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#162540

Deuteranopia (green-blind)

#1C273E

Tritanopia (blue-blind)

#32222B

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #331d3f;
/* rgb */ color: rgb(51, 29, 63);
/* oklch */ color: oklch(27.6% 0.066 312.6);

Tailwind

colors: {
  custom: {
    50: '#6b5974',
    500: '#331d3f',
    950: '#000000',
  },
}

SCSS

$custom: #331d3f;
$custom-light: #6b5974;
$custom-dark: #000000;

JSON

{
  "hex": "#331d3f",
  "rgb": {
    "r": 51,
    "g": 29,
    "b": 63
  },
  "hsl": {
    "h": 278.824,
    "s": 36.957,
    "l": 18.039
  },
  "oklch": {
    "l": 0.27627,
    "c": 0.06633,
    "h": 312.6
  },
  "luminance": 0.01941
}

Semantic roles & 50–950 ramp

primary

#331D3F

secondary

#557444

accent

#CD5B83

background

#F6F5F7

surface

#EBE9ED

border

#C6C5C8

text

#070308

muted

#7A787B

Preview Lab

Preview with #331D3F

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

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