#57181E#57181E

#57181E is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.4% C 0.093 H 18.9°. Best body text is #FFFFFF at 13.51:1 contrast (WCAG AA passes).

Color values

HEX	#57181E
RGB	rgb(87, 24, 30)
HSL	hsl(354, 57%, 22%)
HSV	hsv(354, 72%, 34%)
CMYK	cmyk(0%, 72.4%, 65.5%, 65.9%)
CIE-LAB	lab(19.11, 29.42, 12.31)
CIE-LCH	lch(19.11, 31.89, 22.71°)
OKLab	oklab(31.41% 0.0876 0.0299)
OKLCH	oklch(31.41% 0.093 18.9)
XYZ	xyz(4.4919, 2.7739, 1.5269)
Luminance	0.0277 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57181E #185751

analogous

#57183E #57181E #573218

triadic

#57181E #1E5718 #181E57

tetradic

#57181E #3E5718 #185751 #321857

square

#57181E #3E5718 #185751 #321857

split-complementary

#57181E #185732 #183E57

monochromatic

#180708 #270B0D #57181E #87252F #B7323F

Accessibility & contrast

On white

13.51

#57181E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#57181E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57181E

13.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57181E	#FFFFFF	#000000	##FFFFFF
##57181E	1.00	13.51	1.55	13.51
#FFFFFF	13.51	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#28261E

Deuteranopia (green-blind)

#38331C

Tritanopia (blue-blind)

#600A1B

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #57181e;
/* rgb */ color: rgb(87, 24, 30);
/* oklch */ color: oklch(31.4% 0.093 18.9);

Tailwind

colors: {
  custom: {
    50: '#8b5959',
    500: '#57181e',
    950: '#000000',
  },
}

SCSS

$custom: #57181e;
$custom-light: #8b5959;
$custom-dark: #000000;

JSON

{
  "hex": "#57181e",
  "rgb": {
    "r": 87,
    "g": 24,
    "b": 30
  },
  "hsl": {
    "h": 354.286,
    "s": 56.757,
    "l": 21.765
  },
  "oklch": {
    "l": 0.31412,
    "c": 0.09258,
    "h": 18.9
  },
  "luminance": 0.02773
}

Semantic roles & 50–950 ramp

primary

#57181E

secondary

#3D8E86

accent

#E0D248

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #57181E

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

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