#571F17#571F17

#571F17 is a dark, moderate red. Relative luminance 0.031; OKLCH L 32.3% C 0.085 H 30.5°. Best body text is #FFFFFF at 13.01:1 contrast (WCAG AA passes).

Color values

HEX#571F17
RGBrgb(87, 31, 23)
HSLhsl(8, 58%, 22%)
HSVhsv(8, 74%, 34%)
CMYKcmyk(0%, 64.4%, 73.6%, 65.9%)
CIE-LABlab(20.32, 25.35, 18.58)
CIE-LCHlch(20.32, 31.43, 36.25°)
OKLaboklab(32.27% 0.0733 0.0431)
OKLCHoklch(32.27% 0.085 30.5)
XYZxyz(4.5756, 3.0687, 1.1618)
Luminance0.0307 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#571F17 #174F57
analogous
#57172F #571F17 #573F17
triadic
#571F17 #17571F #1F1757
tetradic
#571F17 #2F5717 #174F57 #3F1757
square
#571F17 #2F5717 #174F57 #3F1757
split-complementary
#571F17 #17573F #172F57
monochromatic
#180906 #270E0A #571F17 #873024 #B84131

Accessibility & contrast

On white

13.01
#571F17 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.61
#571F17 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571F17
13.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##571F17#FFFFFF#000000##FFFFFF
##571F171.0013.011.6113.01
#FFFFFF13.011.0021.001.00
#0000001.6121.001.0021.00
##FFFFFF13.011.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2E2916
Deuteranopia (green-blind)
#3C3616
Tritanopia (blue-blind)
#60131D
Achromatopsia (no color)
#313131

Design tokens & code

CSS
--color: #571f17;
/* rgb */ color: rgb(87, 31, 23);
/* oklch */ color: oklch(32.3% 0.085 30.5);
Tailwind
colors: {
  custom: {
    50: '#8b5d54',
    500: '#571f17',
    950: '#000000',
  },
}
SCSS
$custom: #571f17;
$custom-light: #8b5d54;
$custom-dark: #000000;
JSON
{
  "hex": "#571f17",
  "rgb": {
    "r": 87,
    "g": 31,
    "b": 23
  },
  "hsl": {
    "h": 7.5,
    "s": 58.182,
    "l": 21.569
  },
  "oklch": {
    "l": 0.32273,
    "c": 0.08502,
    "h": 30.5
  },
  "luminance": 0.03068
}

Semantic roles & 50–950 ramp

primary
#571F17
secondary
#3C848E
accent
#CEE146
background
#F9F5F4
surface
#F1E9E7
border
#CBC5C3
text
#0D0402
muted
#7E7978

Preview Lab

Preview with #571F17

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

Preview Lab → · Contrast checker → · Palette generator →

#571F17 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva