#591E1B#591E1B

#591E1B is a dark, moderate red. Relative luminance 0.031; OKLCH L 32.6% C 0.088 H 26.0°. Best body text is #FFFFFF at 12.91:1 contrast (WCAG AA passes).

Color values

HEX	#591E1B
RGB	rgb(89, 30, 27)
HSL	hsl(3, 53%, 23%)
HSV	hsv(3, 70%, 35%)
CMYK	cmyk(0%, 66.3%, 69.7%, 65.1%)
CIE-LAB	lab(20.57, 26.98, 16.31)
CIE-LCH	lch(20.57, 31.52, 31.15°)
OKLab	oklab(32.56% 0.079 0.0386)
OKLCH	oklch(32.56% 0.088 26)
XYZ	xyz(4.7824, 3.1322, 1.3894)
Luminance	0.0313 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#591E1B #1B5659

analogous

#591B37 #591E1B #593D1B

triadic

#591E1B #1B591E #1E1B59

tetradic

#591E1B #37591B #1B5659 #3D1B59

square

#591E1B #37591B #1B5659 #3D1B59

split-complementary

#591E1B #1B593D #1B3759

monochromatic

#170807 #2A0E0D #591E1B #882E29 #B73E37

Accessibility & contrast

On white

12.91

#591E1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#591E1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #591E1B

12.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##591E1B	#FFFFFF	#000000	##FFFFFF
##591E1B	1.00	12.91	1.63	12.91
#FFFFFF	12.91	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2A1A

Deuteranopia (green-blind)

#3C3619

Tritanopia (blue-blind)

#62121E

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #591e1b;
/* rgb */ color: rgb(89, 30, 27);
/* oklch */ color: oklch(32.6% 0.088 26.0);

Tailwind

colors: {
  custom: {
    50: '#8d5d57',
    500: '#591e1b',
    950: '#000000',
  },
}

SCSS

$custom: #591e1b;
$custom-light: #8d5d57;
$custom-dark: #000000;

JSON

{
  "hex": "#591e1b",
  "rgb": {
    "r": 89,
    "g": 30,
    "b": 27
  },
  "hsl": {
    "h": 2.903,
    "s": 53.448,
    "l": 22.745
  },
  "oklch": {
    "l": 0.32556,
    "c": 0.08792,
    "h": 26
  },
  "luminance": 0.03132
}

Semantic roles & 50–950 ramp

primary

#591E1B

secondary

#418B8F

accent

#D6DD4B

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #591E1B

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

Preview Lab → · Contrast checker → · Palette generator →