#571F0F#571F0F

#571F0F is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.2% C 0.087 H 36.5°. Best body text is #FFFFFF at 13.06:1 contrast (WCAG AA passes).

Color values

HEX#571F0F
RGBrgb(87, 31, 15)
HSLhsl(13, 71%, 20%)
HSVhsv(13, 83%, 34%)
CMYKcmyk(0%, 64.4%, 82.8%, 65.9%)
CIE-LABlab(20.21, 24.91, 23.38)
CIE-LCHlch(20.21, 34.16, 43.19°)
OKLaboklab(32.16% 0.0701 0.052)
OKLCHoklch(32.16% 0.087 36.5)
XYZxyz(4.5072, 3.0413, 0.8015)
Luminance0.0304 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#571F0F #0F4757
analogous
#570F23 #571F0F #57430F
triadic
#571F0F #0F571F #1F0F57
tetradic
#571F0F #23570F #0F4757 #430F57
square
#571F0F #23570F #0F4757 #430F57
split-complementary
#571F0F #0F5743 #0F2357
monochromatic
#1A0905 #230C06 #571F0F #8B3218 #BF4421

Accessibility & contrast

On white

13.06
#571F0F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.61
#571F0F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571F0F
13.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##571F0F#FFFFFF#000000##FFFFFF
##571F0F1.0013.061.6113.06
#FFFFFF13.061.0021.001.00
#0000001.6121.001.0021.00
##FFFFFF13.061.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2F290D
Deuteranopia (green-blind)
#3C350D
Tritanopia (blue-blind)
#60121C
Achromatopsia (no color)
#313131

Design tokens & code

CSS
--color: #571f0f;
/* rgb */ color: rgb(87, 31, 15);
/* oklch */ color: oklch(32.2% 0.087 36.5);
Tailwind
colors: {
  custom: {
    50: '#8c5d4e',
    500: '#571f0f',
    950: '#000000',
  },
}
SCSS
$custom: #571f0f;
$custom-light: #8c5d4e;
$custom-dark: #000000;
JSON
{
  "hex": "#571f0f",
  "rgb": {
    "r": 87,
    "g": 31,
    "b": 15
  },
  "hsl": {
    "h": 13.333,
    "s": 70.588,
    "l": 20
  },
  "oklch": {
    "l": 0.32157,
    "c": 0.08729,
    "h": 36.5
  },
  "luminance": 0.03041
}

Semantic roles & 50–950 ramp

primary
#571F0F
secondary
#317C91
accent
#C6ED3A
background
#F9F5F4
surface
#F1E9E7
border
#CBC5C3
text
#0D0401
muted
#7E7977

Preview Lab

Preview with #571F0F

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

Preview Lab → · Contrast checker → · Palette generator →

#571F0F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva