#57201B#57201B

#57201B is a dark, moderate red. Relative luminance 0.031; OKLCH L 32.5% C 0.083 H 27.8°. Best body text is #FFFFFF at 12.90:1 contrast (WCAG AA passes).

Color values

HEX	#57201B
RGB	rgb(87, 32, 27)
HSL	hsl(5, 53%, 22%)
HSV	hsv(5, 69%, 34%)
CMYK	cmyk(0%, 63.2%, 69%, 65.9%)
CIE-LAB	lab(20.59, 25.08, 16.26)
CIE-LCH	lch(20.59, 29.89, 32.95°)
OKLab	oklab(32.5% 0.0733 0.0386)
OKLCH	oklch(32.5% 0.083 27.8)
XYZ	xyz(4.6453, 3.1390, 1.3980)
Luminance	0.0314 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57201B #1B5257

analogous

#571B34 #57201B #573E1B

triadic

#57201B #1B5720 #201B57

tetradic

#57201B #34571B #1B5257 #3E1B57

square

#57201B #34571B #1B5257 #3E1B57

split-complementary

#57201B #1B573E #1B3457

monochromatic

#170907 #280F0D #57201B #863129 #B44238

Accessibility & contrast

On white

12.90

#57201B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#57201B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57201B

12.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57201B	#FFFFFF	#000000	##FFFFFF
##57201B	1.00	12.90	1.63	12.90
#FFFFFF	12.90	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2A1A

Deuteranopia (green-blind)

#3C361A

Tritanopia (blue-blind)

#60151F

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #57201b;
/* rgb */ color: rgb(87, 32, 27);
/* oklch */ color: oklch(32.5% 0.083 27.8);

Tailwind

colors: {
  custom: {
    50: '#8b5e57',
    500: '#57201b',
    950: '#000000',
  },
}

SCSS

$custom: #57201b;
$custom-light: #8b5e57;
$custom-dark: #000000;

JSON

{
  "hex": "#57201b",
  "rgb": {
    "r": 87,
    "g": 32,
    "b": 27
  },
  "hsl": {
    "h": 5,
    "s": 52.632,
    "l": 22.353
  },
  "oklch": {
    "l": 0.32503,
    "c": 0.08283,
    "h": 27.8
  },
  "luminance": 0.03138
}

Semantic roles & 50–950 ramp

primary

#57201B

secondary

#41868D

accent

#D0DC4C

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0D0403

muted

#7D7978

Preview Lab

Preview with #57201B

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

Preview Lab → · Contrast checker → · Palette generator →