#581A18#581A18

#581A18 is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.7% C 0.092 H 25.7°. Best body text is #FFFFFF at 13.33:1 contrast (WCAG AA passes).

Color values

HEX	#581A18
RGB	rgb(88, 26, 24)
HSL	hsl(2, 57%, 22%)
HSV	hsv(2, 73%, 35%)
CMYK	cmyk(0%, 70.5%, 72.7%, 65.5%)
CIE-LAB	lab(19.56, 28.41, 17.05)
CIE-LCH	lch(19.56, 33.13, 30.97°)
OKLab	oklab(31.74% 0.083 0.0399)
OKLCH	oklch(31.74% 0.092 25.7)
XYZ	xyz(4.5592, 2.8801, 1.1798)
Luminance	0.0288 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581A18 #185658

analogous

#581836 #581A18 #583A18

triadic

#581A18 #18581A #1A1858

tetradic

#581A18 #365818 #185658 #3A1858

square

#581A18 #365818 #185658 #3A1858

split-complementary

#581A18 #18583A #183658

monochromatic

#180707 #280C0B #581A18 #882825 #B83632

Accessibility & contrast

On white

13.33

#581A18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#581A18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581A18

13.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581A18	#FFFFFF	#000000	##FFFFFF
##581A18	1.00	13.33	1.58	13.33
#FFFFFF	13.33	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2717

Deuteranopia (green-blind)

#3A3416

Tritanopia (blue-blind)

#610B1A

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #581a18;
/* rgb */ color: rgb(88, 26, 24);
/* oklch */ color: oklch(31.7% 0.092 25.7);

Tailwind

colors: {
  custom: {
    50: '#8c5a54',
    500: '#581a18',
    950: '#000000',
  },
}

SCSS

$custom: #581a18;
$custom-light: #8c5a54;
$custom-dark: #000000;

JSON

{
  "hex": "#581a18",
  "rgb": {
    "r": 88,
    "g": 26,
    "b": 24
  },
  "hsl": {
    "h": 1.875,
    "s": 57.143,
    "l": 21.961
  },
  "oklch": {
    "l": 0.31744,
    "c": 0.09204,
    "h": 25.7
  },
  "luminance": 0.02879
}

Semantic roles & 50–950 ramp

primary

#581A18

secondary

#3D8C8F

accent

#DCE047

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0402

muted

#7E7978

Preview Lab

Preview with #581A18

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

Preview Lab → · Contrast checker → · Palette generator →