#571B20#571B20

#571B20 is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.9% C 0.089 H 18.9°. Best body text is #FFFFFF at 13.27:1 contrast (WCAG AA passes).

Color values

HEX#571B20
RGBrgb(87, 27, 32)
HSLhsl(355, 53%, 22%)
HSVhsv(355, 69%, 34%)
CMYKcmyk(0%, 69%, 63.2%, 65.9%)
CIE-LABlab(19.70, 28.11, 11.69)
CIE-LCHlch(19.70, 30.45, 22.57°)
OKLaboklab(31.87% 0.0839 0.0287)
OKLCHoklch(31.87% 0.089 18.9)
XYZxyz(4.5835, 2.9150, 1.6875)
Luminance0.0291 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#571B20 #1B5752
analogous
#571B3E #571B20 #57341B
triadic
#571B20 #20571B #1B2057
tetradic
#571B20 #3E571B #1B5752 #341B57
square
#571B20 #3E571B #1B5752 #341B57
split-complementary
#571B20 #1B5734 #1B3E57
monochromatic
#170709 #280D0F #571B20 #862931 #B43842

Accessibility & contrast

On white

13.27
#571B20 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.58
#571B20 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571B20
13.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##571B20#FFFFFF#000000##FFFFFF
##571B201.0013.271.5813.27
#FFFFFF13.271.0021.001.00
#0000001.5821.001.0021.00
##FFFFFF13.271.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2A2820
Deuteranopia (green-blind)
#39341E
Tritanopia (blue-blind)
#600F1D
Achromatopsia (no color)
#303030

Design tokens & code

CSS
--color: #571b20;
/* rgb */ color: rgb(87, 27, 32);
/* oklch */ color: oklch(31.9% 0.089 18.9);
Tailwind
colors: {
  custom: {
    50: '#8b5b5b',
    500: '#571b20',
    950: '#000000',
  },
}
SCSS
$custom: #571b20;
$custom-light: #8b5b5b;
$custom-dark: #000000;
JSON
{
  "hex": "#571b20",
  "rgb": {
    "r": 87,
    "g": 27,
    "b": 32
  },
  "hsl": {
    "h": 355,
    "s": 52.632,
    "l": 22.353
  },
  "oklch": {
    "l": 0.31865,
    "c": 0.08863,
    "h": 18.9
  },
  "luminance": 0.02914
}

Semantic roles & 50–950 ramp

primary
#571B20
secondary
#418D86
accent
#DCD04C
background
#F8F5F5
surface
#F0E9E9
border
#CBC5C5
text
#0C0404
muted
#7D7979

Preview Lab

Preview with #571B20

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

Preview Lab → · Contrast checker → · Palette generator →

#571B20 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva