#57221B#57221B

#57221B is a dark, moderate red. Relative luminance 0.032; OKLCH L 32.8% C 0.080 H 29.7°. Best body text is #FFFFFF at 12.73:1 contrast (WCAG AA passes).

Color values

HEX	#57221B
RGB	rgb(87, 34, 27)
HSL	hsl(7, 53%, 22%)
HSV	hsv(7, 69%, 34%)
CMYK	cmyk(0%, 60.9%, 69%, 65.9%)
CIE-LAB	lab(21.02, 23.97, 16.79)
CIE-LCH	lch(21.02, 29.26, 35.00°)
OKLab	oklab(32.82% 0.0698 0.0398)
OKLCH	oklch(32.82% 0.08 29.7)
XYZ	xyz(4.7008, 3.2500, 1.4165)
Luminance	0.0325 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57221B #1B5057

analogous

#571B32 #57221B #57401B

triadic

#57221B #1B5722 #221B57

tetradic

#57221B #32571B #1B5057 #401B57

square

#57221B #32571B #1B5057 #401B57

split-complementary

#57221B #1B5740 #1B3257

monochromatic

#170907 #28100D #57221B #863429 #B44738

Accessibility & contrast

On white

12.73

#57221B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#57221B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57221B

12.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57221B	#FFFFFF	#000000	##FFFFFF
##57221B	1.00	12.73	1.65	12.73
#FFFFFF	12.73	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302B1A

Deuteranopia (green-blind)

#3D371A

Tritanopia (blue-blind)

#601821

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #57221b;
/* rgb */ color: rgb(87, 34, 27);
/* oklch */ color: oklch(32.8% 0.080 29.7);

Tailwind

colors: {
  custom: {
    50: '#8b5f57',
    500: '#57221b',
    950: '#000000',
  },
}

SCSS

$custom: #57221b;
$custom-light: #8b5f57;
$custom-dark: #000000;

JSON

{
  "hex": "#57221b",
  "rgb": {
    "r": 87,
    "g": 34,
    "b": 27
  },
  "hsl": {
    "h": 7,
    "s": 52.632,
    "l": 22.353
  },
  "oklch": {
    "l": 0.32825,
    "c": 0.08036,
    "h": 29.7
  },
  "luminance": 0.03249
}

Semantic roles & 50–950 ramp

primary

#57221B

secondary

#41848D

accent

#CBDC4C

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0503

muted

#7D7978

Preview Lab

Preview with #57221B

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

Preview Lab → · Contrast checker → · Palette generator →