#57151F#57151F

#57151F is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.1% C 0.096 H 16.2°. Best body text is #FFFFFF at 13.71:1 contrast (WCAG AA passes).

Color values

HEX	#57151F
RGB	rgb(87, 21, 31)
HSL	hsl(351, 61%, 21%)
HSV	hsv(351, 76%, 34%)
CMYK	cmyk(0%, 75.9%, 64.4%, 65.9%)
CIE-LAB	lab(18.64, 30.87, 10.98)
CIE-LCH	lch(18.64, 32.76, 19.58°)
OKLab	oklab(31.06% 0.0924 0.0269)
OKLCH	oklch(31.06% 0.096 16.2)
XYZ	xyz(4.4464, 2.6621, 1.5758)
Luminance	0.0266 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57151F #15574D

analogous

#571540 #57151F #572C15

triadic

#57151F #1F5715 #151F57

tetradic

#57151F #405715 #15574D #2C1557

square

#57151F #405715 #15574D #2C1557

split-complementary

#57151F #15572C #154057

monochromatic

#190609 #26090D #57151F #882131 #BA2D42

Accessibility & contrast

On white

13.71

#57151F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#57151F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57151F

13.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57151F	#FFFFFF	#000000	##FFFFFF
##57151F	1.00	13.71	1.53	13.71
#FFFFFF	13.71	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26251F

Deuteranopia (green-blind)

#37321D

Tritanopia (blue-blind)

#600519

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #57151f;
/* rgb */ color: rgb(87, 21, 31);
/* oklch */ color: oklch(31.1% 0.096 16.2);

Tailwind

colors: {
  custom: {
    50: '#8b585a',
    500: '#57151f',
    950: '#000000',
  },
}

SCSS

$custom: #57151f;
$custom-light: #8b585a;
$custom-dark: #000000;

JSON

{
  "hex": "#57151f",
  "rgb": {
    "r": 87,
    "g": 21,
    "b": 31
  },
  "hsl": {
    "h": 350.909,
    "s": 61.111,
    "l": 21.176
  },
  "oklch": {
    "l": 0.31063,
    "c": 0.09627,
    "h": 16.2
  },
  "luminance": 0.02661
}

Semantic roles & 50–950 ramp

primary

#57151F

secondary

#398F82

accent

#E4CC44

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0303

muted

#7E7878

Preview Lab

Preview with #57151F

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

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