#591D18#591D18

#591D18 is a dark, moderate red. Relative luminance 0.031; OKLCH L 32.4% C 0.090 H 27.9°. Best body text is #FFFFFF at 13.01:1 contrast (WCAG AA passes).

Color values

HEX	#591D18
RGB	rgb(89, 29, 24)
HSL	hsl(5, 58%, 22%)
HSV	hsv(5, 73%, 35%)
CMYK	cmyk(0%, 67.4%, 73%, 65.1%)
CIE-LAB	lab(20.32, 27.29, 18.02)
CIE-LCH	lch(20.32, 32.70, 33.43°)
OKLab	oklab(32.35% 0.0793 0.042)
OKLCH	oklch(32.35% 0.09 27.9)
XYZ	xyz(4.7245, 3.0692, 1.2076)
Luminance	0.0307 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#591D18 #185459

analogous

#591834 #591D18 #593D18

triadic

#591D18 #18591D #1D1859

tetradic

#591D18 #345918 #185459 #3D1859

square

#591D18 #345918 #185459 #3D1859

split-complementary

#591D18 #18593D #183459

monochromatic

#180806 #290D0B #591D18 #892D25 #B93C32

Accessibility & contrast

On white

13.01

#591D18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#591D18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #591D18

13.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##591D18	#FFFFFF	#000000	##FFFFFF
##591D18	1.00	13.01	1.61	13.01
#FFFFFF	13.01	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2917

Deuteranopia (green-blind)

#3C3616

Tritanopia (blue-blind)

#620F1C

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #591d18;
/* rgb */ color: rgb(89, 29, 24);
/* oklch */ color: oklch(32.4% 0.090 27.9);

Tailwind

colors: {
  custom: {
    50: '#8d5c55',
    500: '#591d18',
    950: '#000000',
  },
}

SCSS

$custom: #591d18;
$custom-light: #8d5c55;
$custom-dark: #000000;

JSON

{
  "hex": "#591d18",
  "rgb": {
    "r": 89,
    "g": 29,
    "b": 24
  },
  "hsl": {
    "h": 4.615,
    "s": 57.522,
    "l": 22.157
  },
  "oklch": {
    "l": 0.32354,
    "c": 0.08973,
    "h": 27.9
  },
  "luminance": 0.03069
}

Semantic roles & 50–950 ramp

primary

#591D18

secondary

#3D8990

accent

#D5E147

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #591D18

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

Preview Lab → · Contrast checker → · Palette generator →