#581C0E#581C0E

#581C0E is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.9% C 0.092 H 34.5°. Best body text is #FFFFFF at 13.23:1 contrast (WCAG AA passes).

Color values

HEX	#581C0E
RGB	rgb(88, 28, 14)
HSL	hsl(11, 73%, 20%)
HSV	hsv(11, 84%, 35%)
CMYK	cmyk(0%, 68.2%, 84.1%, 65.5%)
CIE-LAB	lab(19.79, 26.87, 23.48)
CIE-LCH	lch(19.79, 35.68, 41.15°)
OKLab	oklab(31.88% 0.0759 0.0521)
OKLCH	oklch(31.88% 0.092 34.5)
XYZ	xyz(4.5195, 2.9376, 0.7444)
Luminance	0.0294 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581C0E #0E4A58

analogous

#580E25 #581C0E #58410E

triadic

#581C0E #0E581C #1C0E58

tetradic

#581C0E #25580E #0E4A58 #410E58

square

#581C0E #25580E #0E4A58 #410E58

split-complementary

#581C0E #0E5841 #0E2558

monochromatic

#1A0804 #230B06 #581C0E #8D2D16 #C23E1F

Accessibility & contrast

On white

13.23

#581C0E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#581C0E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581C0E

13.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581C0E	#FFFFFF	#000000	##FFFFFF
##581C0E	1.00	13.23	1.59	13.23
#FFFFFF	13.23	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D270C

Deuteranopia (green-blind)

#3C350C

Tritanopia (blue-blind)

#620C19

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #581c0e;
/* rgb */ color: rgb(88, 28, 14);
/* oklch */ color: oklch(31.9% 0.092 34.5);

Tailwind

colors: {
  custom: {
    50: '#8d5b4d',
    500: '#581c0e',
    950: '#000000',
  },
}

SCSS

$custom: #581c0e;
$custom-light: #8d5b4d;
$custom-dark: #000000;

JSON

{
  "hex": "#581c0e",
  "rgb": {
    "r": 88,
    "g": 28,
    "b": 14
  },
  "hsl": {
    "h": 11.351,
    "s": 72.549,
    "l": 20
  },
  "oklch": {
    "l": 0.31876,
    "c": 0.09202,
    "h": 34.5
  },
  "luminance": 0.02937
}

Semantic roles & 50–950 ramp

primary

#581C0E

secondary

#307F92

accent

#CDEF39

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0401

muted

#7E7977

Preview Lab

Preview with #581C0E

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

Preview Lab → · Contrast checker → · Palette generator →