#571D11#571D11

#571D11 is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.9% C 0.089 H 33.4°. Best body text is #FFFFFF at 13.22:1 contrast (WCAG AA passes).

Color values

HEX#571D11
RGBrgb(87, 29, 17)
HSLhsl(10, 67%, 20%)
HSVhsv(10, 80%, 34%)
CMYKcmyk(0%, 66.7%, 80.5%, 65.9%)
CIE-LABlab(19.83, 26.07, 21.83)
CIE-LCHlch(19.83, 34.01, 39.94°)
OKLaboklab(31.88% 0.0742 0.049)
OKLCHoklch(31.88% 0.089 33.4)
XYZxyz(4.4715, 2.9461, 0.8634)
Luminance0.0295 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#571D11 #114B57
analogous
#571128 #571D11 #574011
triadic
#571D11 #11571D #1D1157
tetradic
#571D11 #285711 #114B57 #401157
square
#571D11 #285711 #114B57 #401157
split-complementary
#571D11 #115740 #112857
monochromatic
#1A0905 #240C07 #571D11 #8A2E1B #BD3F25

Accessibility & contrast

On white

13.22
#571D11 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.59
#571D11 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571D11
13.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##571D11#FFFFFF#000000##FFFFFF
##571D111.0013.221.5913.22
#FFFFFF13.221.0021.001.00
#0000001.5921.001.0021.00
##FFFFFF13.221.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2D280F
Deuteranopia (green-blind)
#3B350F
Tritanopia (blue-blind)
#600F1B
Achromatopsia (no color)
#303030

Design tokens & code

CSS
--color: #571d11;
/* rgb */ color: rgb(87, 29, 17);
/* oklch */ color: oklch(31.9% 0.089 33.4);
Tailwind
colors: {
  custom: {
    50: '#8c5c4f',
    500: '#571d11',
    950: '#000000',
  },
}
SCSS
$custom: #571d11;
$custom-light: #8c5c4f;
$custom-dark: #000000;
JSON
{
  "hex": "#571d11",
  "rgb": {
    "r": 87,
    "g": 29,
    "b": 17
  },
  "hsl": {
    "h": 10.286,
    "s": 67.308,
    "l": 20.392
  },
  "oklch": {
    "l": 0.31876,
    "c": 0.0889,
    "h": 33.4
  },
  "luminance": 0.02945
}

Semantic roles & 50–950 ramp

primary
#571D11
secondary
#348090
accent
#CDEA3E
background
#F9F5F4
surface
#F1E9E7
border
#CBC5C3
text
#0D0402
muted
#7E7978

Preview Lab

Preview with #571D11

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

Preview Lab → · Contrast checker → · Palette generator →

#571D11 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva