#57211C#57211C

#57211C is a dark, moderate red. Relative luminance 0.032; OKLCH L 32.7% C 0.081 H 27.7°. Best body text is #FFFFFF at 12.81:1 contrast (WCAG AA passes).

Color values

HEX#57211C
RGBrgb(87, 33, 28)
HSLhsl(5, 51%, 23%)
HSVhsv(5, 68%, 34%)
CMYKcmyk(0%, 62.1%, 67.8%, 65.9%)
CIE-LABlab(20.82, 24.61, 15.87)
CIE-LCHlch(20.82, 29.28, 32.82°)
OKLaboklab(32.68% 0.072 0.0378)
OKLCHoklch(32.68% 0.081 27.7)
XYZxyz(4.6844, 3.1984, 1.4691)
Luminance0.0320 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57211C #1C5257
analogous
#571C34 #57211C #573F1C
triadic
#57211C #1C5721 #211C57
tetradic
#57211C #34571C #1C5257 #3F1C57
square
#57211C #34571C #1C5257 #3F1C57
split-complementary
#57211C #1C573F #1C3457
monochromatic
#170907 #290F0D #57211C #85332B #B4443A

Accessibility & contrast

On white

12.81
#57211C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

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

Best text color

#FFFFFF on #57211C
12.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57211C#FFFFFF#000000##FFFFFF
##57211C1.0012.811.6412.81
#FFFFFF12.811.0021.001.00
#0000001.6421.001.0021.00
##FFFFFF12.811.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2F2B1B
Deuteranopia (green-blind)
#3C361B
Tritanopia (blue-blind)
#601720
Achromatopsia (no color)
#323232

Design tokens & code

CSS
--color: #57211c;
/* rgb */ color: rgb(87, 33, 28);
/* oklch */ color: oklch(32.7% 0.081 27.7);
Tailwind
colors: {
  custom: {
    50: '#8b5e58',
    500: '#57211c',
    950: '#000000',
  },
}
SCSS
$custom: #57211c;
$custom-light: #8b5e58;
$custom-dark: #000000;
JSON
{
  "hex": "#57211c",
  "rgb": {
    "r": 87,
    "g": 33,
    "b": 28
  },
  "hsl": {
    "h": 5.085,
    "s": 51.304,
    "l": 22.549
  },
  "oklch": {
    "l": 0.32682,
    "c": 0.08135,
    "h": 27.7
  },
  "luminance": 0.03198
}

Semantic roles & 50–950 ramp

primary
#57211C
secondary
#42868D
accent
#CFDB4D
background
#F8F5F5
surface
#F0E9E9
border
#CBC5C5
text
#0C0403
muted
#7D7978

Preview Lab

Preview with #57211C

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

Preview Lab → · Contrast checker → · Palette generator →

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