#591C18#591C18

#591C18 is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.2% C 0.091 H 27.1°. Best body text is #FFFFFF at 13.09:1 contrast (WCAG AA passes).

Color values

HEX	#591C18
RGB	rgb(89, 28, 24)
HSL	hsl(4, 58%, 22%)
HSV	hsv(4, 73%, 35%)
CMYK	cmyk(0%, 68.5%, 73%, 65.1%)
CIE-LAB	lab(20.13, 27.80, 17.79)
CIE-LCH	lch(20.13, 33.01, 32.61°)
OKLab	oklab(32.21% 0.0809 0.0415)
OKLCH	oklch(32.21% 0.091 27.1)
XYZ	xyz(4.7004, 3.0210, 1.1996)
Luminance	0.0302 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#591C18 #185559

analogous

#591835 #591C18 #593D18

triadic

#591C18 #18591C #1C1859

tetradic

#591C18 #355918 #185559 #3D1859

square

#591C18 #355918 #185559 #3D1859

split-complementary

#591C18 #18593D #183559

monochromatic

#180806 #290D0B #591C18 #892B25 #B93A32

Accessibility & contrast

On white

13.09

#591C18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#591C18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #591C18

13.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##591C18	#FFFFFF	#000000	##FFFFFF
##591C18	1.00	13.09	1.60	13.09
#FFFFFF	13.09	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2817

Deuteranopia (green-blind)

#3C3516

Tritanopia (blue-blind)

#620E1B

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #591c18;
/* rgb */ color: rgb(89, 28, 24);
/* oklch */ color: oklch(32.2% 0.091 27.1);

Tailwind

colors: {
  custom: {
    50: '#8d5c55',
    500: '#591c18',
    950: '#000000',
  },
}

SCSS

$custom: #591c18;
$custom-light: #8d5c55;
$custom-dark: #000000;

JSON

{
  "hex": "#591c18",
  "rgb": {
    "r": 89,
    "g": 28,
    "b": 24
  },
  "hsl": {
    "h": 3.692,
    "s": 57.522,
    "l": 22.157
  },
  "oklch": {
    "l": 0.3221,
    "c": 0.09092,
    "h": 27.1
  },
  "luminance": 0.0302
}

Semantic roles & 50–950 ramp

primary

#591C18

secondary

#3D8B90

accent

#D7E147

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #591C18

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

Preview Lab → · Contrast checker → · Palette generator →