#31031B#31031B

#31031B is a very dark, moderate pink. Relative luminance 0.008; OKLCH L 21.0% C 0.079 H 353.6°. Best body text is #FFFFFF at 18.11:1 contrast (WCAG AA passes).

Color values

HEX	#31031B
RGB	rgb(49, 3, 27)
HSL	hsl(329, 88%, 10%)
HSV	hsv(329, 94%, 19%)
CMYK	cmyk(0%, 93.9%, 44.9%, 80.8%)
CIE-LAB	lab(7.20, 25.32, -3.38)
CIE-LCH	lch(7.20, 25.55, 352.39°)
OKLab	oklab(21.02% 0.0783 -0.0088)
OKLCH	oklch(21.02% 0.079 353.6)
XYZ	xyz(1.4971, 0.7974, 1.1118)
Luminance	0.0080 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31031B #033119

analogous

#300331 #31031B #310304

triadic

#31031B #1B3103 #031B31

tetradic

#31031B #313003 #033119 #030431

square

#31031B #313003 #033119 #030431

split-complementary

#31031B #043103 #033130

monochromatic

#1D0210 #1D0210 #31031B #6B073B #A40A5B

Accessibility & contrast

On white

18.11

#31031B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#31031B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31031B

18.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31031B	#FFFFFF	#000000	##FFFFFF
##31031B	1.00	18.11	1.16	18.11
#FFFFFF	18.11	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B101C

Deuteranopia (green-blind)

#19191A

Tritanopia (blue-blind)

#36000D

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #31031b;
/* rgb */ color: rgb(49, 3, 27);
/* oklch */ color: oklch(21.0% 0.079 353.6);

Tailwind

colors: {
  custom: {
    50: '#6c4857',
    500: '#31031b',
    950: '#000000',
  },
}

SCSS

$custom: #31031b;
$custom-light: #6c4857;
$custom-dark: #000000;

JSON

{
  "hex": "#31031b",
  "rgb": {
    "r": 49,
    "g": 3,
    "b": 27
  },
  "hsl": {
    "h": 328.696,
    "s": 88.462,
    "l": 10.196
  },
  "oklch": {
    "l": 0.21022,
    "c": 0.07878,
    "h": 353.6
  },
  "luminance": 0.00797
}

Semantic roles & 50–950 ramp

primary

#31031B

secondary

#1B7446

accent

#FF8F29

background

#F6F4F5

surface

#ECE7E9

border

#C7C3C5

text

#070103

muted

#7A7778

Preview Lab

Preview with #31031B

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

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