#581C10#581C10

#581C10 is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.9% C 0.092 H 33.2°. Best body text is #FFFFFF at 13.22:1 contrast (WCAG AA passes).

Color values

HEX	#581C10
RGB	rgb(88, 28, 16)
HSL	hsl(10, 69%, 20%)
HSV	hsv(10, 82%, 35%)
CMYK	cmyk(0%, 68.2%, 81.8%, 65.5%)
CIE-LAB	lab(19.82, 26.96, 22.44)
CIE-LCH	lch(19.82, 35.08, 39.78°)
OKLab	oklab(31.9% 0.0766 0.0501)
OKLCH	oklch(31.9% 0.092 33.2)
XYZ	xyz(4.5338, 2.9433, 0.8195)
Luminance	0.0294 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581C10 #104C58

analogous

#581028 #581C10 #584010

triadic

#581C10 #10581C #1C1058

tetradic

#581C10 #285810 #104C58 #401058

square

#581C10 #285810 #104C58 #401058

split-complementary

#581C10 #105840 #102858

monochromatic

#1A0805 #240C07 #581C10 #8C2C19 #C03D23

Accessibility & contrast

On white

13.22

#581C10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#581C10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581C10

13.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581C10	#FFFFFF	#000000	##FFFFFF
##581C10	1.00	13.22	1.59	13.22
#FFFFFF	13.22	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D280E

Deuteranopia (green-blind)

#3C350E

Tritanopia (blue-blind)

#610D1A

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #581c10;
/* rgb */ color: rgb(88, 28, 16);
/* oklch */ color: oklch(31.9% 0.092 33.2);

Tailwind

colors: {
  custom: {
    50: '#8d5b4f',
    500: '#581c10',
    950: '#000000',
  },
}

SCSS

$custom: #581c10;
$custom-light: #8d5b4f;
$custom-dark: #000000;

JSON

{
  "hex": "#581c10",
  "rgb": {
    "r": 88,
    "g": 28,
    "b": 16
  },
  "hsl": {
    "h": 10,
    "s": 69.231,
    "l": 20.392
  },
  "oklch": {
    "l": 0.31901,
    "c": 0.09151,
    "h": 33.2
  },
  "luminance": 0.02943
}

Semantic roles & 50–950 ramp

primary

#581C10

secondary

#328291

accent

#CFEC3C

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0402

muted

#7E7978

Preview Lab

Preview with #581C10

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

Preview Lab → · Contrast checker → · Palette generator →