#591B13#591B13

#591B13 is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.0% C 0.093 H 30.3°. Best body text is #FFFFFF at 13.20:1 contrast (WCAG AA passes).

Color values

HEX#591B13
RGBrgb(89, 27, 19)
HSLhsl(7, 65%, 21%)
HSVhsv(7, 79%, 35%)
CMYKcmyk(0%, 69.7%, 78.7%, 65.1%)
CIE-LABlab(19.86, 28.02, 20.77)
CIE-LCHlch(19.86, 34.87, 36.55°)
OKLaboklab(31.99% 0.0804 0.047)
OKLCHoklch(31.99% 0.093 30.3)
XYZxyz(4.6298, 2.9554, 0.9426)
Luminance0.0295 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#591B13 #135159
analogous
#59132E #591B13 #593E13
triadic
#591B13 #13591B #1B1359
tetradic
#591B13 #2E5913 #135159 #3E1359
square
#591B13 #2E5913 #135159 #3E1359
split-complementary
#591B13 #13593E #132E59
monochromatic
#190805 #270C08 #591B13 #8B2A1E #BE3A29

Accessibility & contrast

On white

13.20
#591B13 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.59
#591B13 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #591B13
13.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##591B13#FFFFFF#000000##FFFFFF
##591B131.0013.201.5913.20
#FFFFFF13.201.0021.001.00
#0000001.5921.001.0021.00
##FFFFFF13.201.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2C2712
Deuteranopia (green-blind)
#3C3511
Tritanopia (blue-blind)
#620B1A
Achromatopsia (no color)
#303030

Design tokens & code

CSS
--color: #591b13;
/* rgb */ color: rgb(89, 27, 19);
/* oklch */ color: oklch(32.0% 0.093 30.3);
Tailwind
colors: {
  custom: {
    50: '#8e5b51',
    500: '#591b13',
    950: '#000000',
  },
}
SCSS
$custom: #591b13;
$custom-light: #8e5b51;
$custom-dark: #000000;
JSON
{
  "hex": "#591b13",
  "rgb": {
    "r": 89,
    "g": 27,
    "b": 19
  },
  "hsl": {
    "h": 6.857,
    "s": 64.815,
    "l": 21.176
  },
  "oklch": {
    "l": 0.31988,
    "c": 0.09313,
    "h": 30.3
  },
  "luminance": 0.02955
}

Semantic roles & 50–950 ramp

primary
#591B13
secondary
#378791
accent
#D5E840
background
#F9F5F4
surface
#F1E9E7
border
#CBC5C3
text
#0D0402
muted
#7E7978

Preview Lab

Preview with #591B13

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

Preview Lab → · Contrast checker → · Palette generator →

#591B13 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva