#591F18#591F18

#591F18 is a dark, moderate red. Relative luminance 0.032; OKLCH L 32.7% C 0.087 H 29.5°. Best body text is #FFFFFF at 12.85:1 contrast (WCAG AA passes).

Color values

HEX	#591F18
RGB	rgb(89, 31, 24)
HSL	hsl(6, 58%, 22%)
HSV	hsv(6, 73%, 35%)
CMYK	cmyk(0%, 65.2%, 73%, 65.1%)
CIE-LAB	lab(20.71, 26.25, 18.49)
CIE-LCH	lch(20.71, 32.11, 35.16°)
OKLab	oklab(32.65% 0.076 0.043)
OKLCH	oklch(32.65% 0.087 29.5)
XYZ	xyz(4.7752, 3.1704, 1.2245)
Luminance	0.0317 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#591F18 #185259

analogous

#591831 #591F18 #594018

triadic

#591F18 #18591F #1F1859

tetradic

#591F18 #315918 #185259 #401859

square

#591F18 #315918 #185259 #401859

split-complementary

#591F18 #185940 #183159

monochromatic

#180806 #290E0B #591F18 #893025 #B94132

Accessibility & contrast

On white

12.85

#591F18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#591F18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #591F18

12.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##591F18	#FFFFFF	#000000	##FFFFFF
##591F18	1.00	12.85	1.63	12.85
#FFFFFF	12.85	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2A17

Deuteranopia (green-blind)

#3D3716

Tritanopia (blue-blind)

#62121E

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #591f18;
/* rgb */ color: rgb(89, 31, 24);
/* oklch */ color: oklch(32.7% 0.087 29.5);

Tailwind

colors: {
  custom: {
    50: '#8d5d55',
    500: '#591f18',
    950: '#000000',
  },
}

SCSS

$custom: #591f18;
$custom-light: #8d5d55;
$custom-dark: #000000;

JSON

{
  "hex": "#591f18",
  "rgb": {
    "r": 89,
    "g": 31,
    "b": 24
  },
  "hsl": {
    "h": 6.462,
    "s": 57.522,
    "l": 22.157
  },
  "oklch": {
    "l": 0.32651,
    "c": 0.08736,
    "h": 29.5
  },
  "luminance": 0.0317
}

Semantic roles & 50–950 ramp

primary

#591F18

secondary

#3D8790

accent

#D0E147

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #591F18

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

Preview Lab → · Contrast checker → · Palette generator →