#581C15#581C15

#581C15 is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.0% C 0.090 H 29.6°. Best body text is #FFFFFF at 13.19:1 contrast (WCAG AA passes).

Color values

HEX	#581C15
RGB	rgb(88, 28, 21)
HSL	hsl(6, 61%, 21%)
HSV	hsv(6, 76%, 35%)
CMYK	cmyk(0%, 68.2%, 76.1%, 65.5%)
CIE-LAB	lab(19.88, 27.22, 19.44)
CIE-LCH	lch(19.88, 33.45, 35.53°)
OKLab	oklab(31.97% 0.0785 0.0446)
OKLCH	oklch(31.97% 0.09 29.6)
XYZ	xyz(4.5756, 2.9600, 1.0397)
Luminance	0.0296 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581C15 #155158

analogous

#581530 #581C15 #583E15

triadic

#581C15 #15581C #1C1558

tetradic

#581C15 #305815 #155158 #3E1558

square

#581C15 #305815 #155158 #3E1558

split-complementary

#581C15 #15583E #153058

monochromatic

#190806 #270C09 #581C15 #892C21 #BB3B2D

Accessibility & contrast

On white

13.19

#581C15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#581C15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581C15

13.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581C15	#FFFFFF	#000000	##FFFFFF
##581C15	1.00	13.19	1.59	13.19
#FFFFFF	13.19	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2814

Deuteranopia (green-blind)

#3B3513

Tritanopia (blue-blind)

#610E1B

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #581c15;
/* rgb */ color: rgb(88, 28, 21);
/* oklch */ color: oklch(32.0% 0.090 29.6);

Tailwind

colors: {
  custom: {
    50: '#8d5b52',
    500: '#581c15',
    950: '#000000',
  },
}

SCSS

$custom: #581c15;
$custom-light: #8d5b52;
$custom-dark: #000000;

JSON

{
  "hex": "#581c15",
  "rgb": {
    "r": 88,
    "g": 28,
    "b": 21
  },
  "hsl": {
    "h": 6.269,
    "s": 61.468,
    "l": 21.373
  },
  "oklch": {
    "l": 0.31973,
    "c": 0.09029,
    "h": 29.6
  },
  "luminance": 0.02959
}

Semantic roles & 50–950 ramp

primary

#581C15

secondary

#398790

accent

#D4E543

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0402

muted

#7E7978

Preview Lab

Preview with #581C15

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

Preview Lab → · Contrast checker → · Palette generator →