#591A18#591A18

#591A18 is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.9% C 0.093 H 25.7°. Best body text is #FFFFFF at 13.24:1 contrast (WCAG AA passes).

Color values

HEX	#591A18
RGB	rgb(89, 26, 24)
HSL	hsl(2, 58%, 22%)
HSV	hsv(2, 73%, 35%)
CMYK	cmyk(0%, 70.8%, 73%, 65.1%)
CIE-LAB	lab(19.76, 28.80, 17.34)
CIE-LCH	lch(19.76, 33.62, 31.05°)
OKLab	oklab(31.93% 0.0841 0.0405)
OKLCH	oklch(31.93% 0.093 25.7)
XYZ	xyz(4.6546, 2.9292, 1.1843)
Luminance	0.0293 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#591A18 #185759

analogous

#591837 #591A18 #593B18

triadic

#591A18 #18591A #1A1859

tetradic

#591A18 #375918 #185759 #3B1859

square

#591A18 #375918 #185759 #3B1859

split-complementary

#591A18 #18593B #183759

monochromatic

#180706 #290C0B #591A18 #892825 #B93632

Accessibility & contrast

On white

13.24

#591A18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#591A18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #591A18

13.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##591A18	#FFFFFF	#000000	##FFFFFF
##591A18	1.00	13.24	1.59	13.24
#FFFFFF	13.24	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2717

Deuteranopia (green-blind)

#3B3516

Tritanopia (blue-blind)

#620A1A

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #591a18;
/* rgb */ color: rgb(89, 26, 24);
/* oklch */ color: oklch(31.9% 0.093 25.7);

Tailwind

colors: {
  custom: {
    50: '#8d5a54',
    500: '#591a18',
    950: '#000000',
  },
}

SCSS

$custom: #591a18;
$custom-light: #8d5a54;
$custom-dark: #000000;

JSON

{
  "hex": "#591a18",
  "rgb": {
    "r": 89,
    "g": 26,
    "b": 24
  },
  "hsl": {
    "h": 1.846,
    "s": 57.522,
    "l": 22.157
  },
  "oklch": {
    "l": 0.31933,
    "c": 0.09328,
    "h": 25.7
  },
  "luminance": 0.02929
}

Semantic roles & 50–950 ramp

primary

#591A18

secondary

#3D8D90

accent

#DCE147

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0402

muted

#7E7978

Preview Lab

Preview with #591A18

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

Preview Lab → · Contrast checker → · Palette generator →