#57211B#57211B

#57211B is a dark, moderate red. Relative luminance 0.032; OKLCH L 32.7% C 0.082 H 28.7°. Best body text is #FFFFFF at 12.82:1 contrast (WCAG AA passes).

Color values

HEX#57211B
RGBrgb(87, 33, 27)
HSLhsl(6, 53%, 22%)
HSVhsv(6, 69%, 34%)
CMYKcmyk(0%, 62.1%, 69%, 65.9%)
CIE-LABlab(20.80, 24.53, 16.52)
CIE-LCHlch(20.80, 29.57, 33.96°)
OKLaboklab(32.66% 0.0716 0.0392)
OKLCHoklch(32.66% 0.082 28.7)
XYZxyz(4.6726, 3.1937, 1.4071)
Luminance0.0319 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57211B #1B5157
analogous
#571B33 #57211B #573F1B
triadic
#57211B #1B5721 #211B57
tetradic
#57211B #33571B #1B5157 #3F1B57
square
#57211B #33571B #1B5157 #3F1B57
split-complementary
#57211B #1B573F #1B3357
monochromatic
#170907 #280F0D #57211B #863329 #B44438

Accessibility & contrast

On white

12.82
#57211B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.64
#57211B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57211B
12.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57211B#FFFFFF#000000##FFFFFF
##57211B1.0012.821.6412.82
#FFFFFF12.821.0021.001.00
#0000001.6421.001.0021.00
##FFFFFF12.821.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2F2B1A
Deuteranopia (green-blind)
#3C361A
Tritanopia (blue-blind)
#601720
Achromatopsia (no color)
#323232

Design tokens & code

CSS
--color: #57211b;
/* rgb */ color: rgb(87, 33, 27);
/* oklch */ color: oklch(32.7% 0.082 28.7);
Tailwind
colors: {
  custom: {
    50: '#8b5e57',
    500: '#57211b',
    950: '#000000',
  },
}
SCSS
$custom: #57211b;
$custom-light: #8b5e57;
$custom-dark: #000000;
JSON
{
  "hex": "#57211b",
  "rgb": {
    "r": 87,
    "g": 33,
    "b": 27
  },
  "hsl": {
    "h": 6,
    "s": 52.632,
    "l": 22.353
  },
  "oklch": {
    "l": 0.32663,
    "c": 0.08159,
    "h": 28.7
  },
  "luminance": 0.03193
}

Semantic roles & 50–950 ramp

primary
#57211B
secondary
#41858D
accent
#CEDC4C
background
#F8F5F5
surface
#F0E9E9
border
#CBC5C5
text
#0D0403
muted
#7D7978

Preview Lab

Preview with #57211B

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

Preview Lab → · Contrast checker → · Palette generator →

#57211B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva