#57131F#57131F

#57131F is a dark, moderate red. Relative luminance 0.026; OKLCH L 30.8% C 0.099 H 15.3°. Best body text is #FFFFFF at 13.83:1 contrast (WCAG AA passes).

Color values

HEX	#57131F
RGB	rgb(87, 19, 31)
HSL	hsl(349, 64%, 21%)
HSV	hsv(349, 78%, 34%)
CMYK	cmyk(0%, 78.2%, 64.4%, 65.9%)
CIE-LAB	lab(18.33, 31.72, 10.57)
CIE-LCH	lch(18.33, 33.43, 18.43°)
OKLab	oklab(30.83% 0.0952 0.026)
OKLCH	oklch(30.83% 0.099 15.3)
XYZ	xyz(4.4111, 2.5915, 1.5640)
Luminance	0.0259 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57131F #13574B

analogous

#571341 #57131F #572913

triadic

#57131F #1F5713 #131F57

tetradic

#57131F #415713 #13574B #291357

square

#57131F #415713 #13574B #291357

split-complementary

#57131F #135729 #134157

monochromatic

#190509 #25080D #57131F #891E31 #BB2943

Accessibility & contrast

On white

13.83

#57131F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#57131F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57131F

13.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57131F	#FFFFFF	#000000	##FFFFFF
##57131F	1.00	13.83	1.52	13.83
#FFFFFF	13.83	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25241F

Deuteranopia (green-blind)

#36321D

Tritanopia (blue-blind)

#600218

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #57131f;
/* rgb */ color: rgb(87, 19, 31);
/* oklch */ color: oklch(30.8% 0.099 15.3);

Tailwind

colors: {
  custom: {
    50: '#8b575a',
    500: '#57131f',
    950: '#000000',
  },
}

SCSS

$custom: #57131f;
$custom-light: #8b575a;
$custom-dark: #000000;

JSON

{
  "hex": "#57131f",
  "rgb": {
    "r": 87,
    "g": 19,
    "b": 31
  },
  "hsl": {
    "h": 349.412,
    "s": 64.151,
    "l": 20.784
  },
  "oklch": {
    "l": 0.30833,
    "c": 0.09864,
    "h": 15.3
  },
  "luminance": 0.02591
}

Semantic roles & 50–950 ramp

primary

#57131F

secondary

#368F80

accent

#E7CA41

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0303

muted

#7E7878

Preview Lab

Preview with #57131F

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

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