#331F37#331F37

#331F37 is a dark, muted purple. Relative luminance 0.020; OKLCH L 27.6% C 0.051 H 320.8°. Best body text is #FFFFFF at 15.09:1 contrast (WCAG AA passes).

Color values

HEX	#331F37
RGB	rgb(51, 31, 55)
HSL	hsl(290, 28%, 17%)
HSV	hsv(290, 44%, 22%)
CMYK	cmyk(7.3%, 43.6%, 0%, 78.4%)
CIE-LAB	lab(15.27, 14.78, -11.77)
CIE-LCH	lch(15.27, 18.89, 321.46°)
OKLab	oklab(27.56% 0.0394 -0.0322)
OKLCH	oklch(27.56% 0.051 320.8)
XYZ	xyz(2.5447, 1.9597, 3.8579)
Luminance	0.0196 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331F37 #23371F

analogous

#271F37 #331F37 #371F2F

triadic

#331F37 #37331F #1F3733

tetradic

#331F37 #37271F #23371F #1F2F37

square

#331F37 #37271F #23371F #1F2F37

split-complementary

#331F37 #2F371F #1F3727

monochromatic

#120B14 #120B14 #331F37 #57355E #7C4B85

Accessibility & contrast

On white

15.09

#331F37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#331F37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331F37

15.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331F37	#FFFFFF	#000000	##FFFFFF
##331F37	1.00	15.09	1.39	15.09
#FFFFFF	15.09	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C2538

Deuteranopia (green-blind)

#212736

Tritanopia (blue-blind)

#332228

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #331f37;
/* rgb */ color: rgb(51, 31, 55);
/* oklch */ color: oklch(27.6% 0.051 320.8);

Tailwind

colors: {
  custom: {
    50: '#6b5b6e',
    500: '#331f37',
    950: '#000000',
  },
}

SCSS

$custom: #331f37;
$custom-light: #6b5b6e;
$custom-dark: #000000;

JSON

{
  "hex": "#331f37",
  "rgb": {
    "r": 51,
    "g": 31,
    "b": 55
  },
  "hsl": {
    "h": 290,
    "s": 27.907,
    "l": 16.863
  },
  "oklch": {
    "l": 0.27555,
    "c": 0.05093,
    "h": 320.8
  },
  "luminance": 0.0196
}

Semantic roles & 50–950 ramp

primary

#331F37

secondary

#4D6A48

accent

#C46474

background

#F6F5F6

surface

#EBE9EB

border

#C6C5C6

text

#060407

muted

#7A797A

Preview Lab

Preview with #331F37

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

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