#581D13#581D13

#581D13 is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.1% C 0.090 H 31.9°. Best body text is #FFFFFF at 13.13:1 contrast (WCAG AA passes).

Color values

HEX	#581D13
RGB	rgb(88, 29, 19)
HSL	hsl(9, 64%, 21%)
HSV	hsv(9, 78%, 35%)
CMYK	cmyk(0%, 67%, 78.4%, 65.5%)
CIE-LAB	lab(20.05, 26.59, 20.92)
CIE-LCH	lch(20.05, 33.83, 38.19°)
OKLab	oklab(32.09% 0.0761 0.0474)
OKLCH	oklch(32.09% 0.09 31.9)
XYZ	xyz(4.5819, 3.0011, 0.9540)
Luminance	0.0300 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581D13 #134E58

analogous

#58132B #581D13 #583F13

triadic

#581D13 #13581D #1D1358

tetradic

#581D13 #2B5813 #134E58 #3F1358

square

#581D13 #2B5813 #134E58 #3F1358

split-complementary

#581D13 #13583F #132B58

monochromatic

#190805 #260C08 #581D13 #8A2E1E #BD3E29

Accessibility & contrast

On white

13.13

#581D13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#581D13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581D13

13.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581D13	#FFFFFF	#000000	##FFFFFF
##581D13	1.00	13.13	1.60	13.13
#FFFFFF	13.13	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2812

Deuteranopia (green-blind)

#3C3511

Tritanopia (blue-blind)

#610F1B

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #581d13;
/* rgb */ color: rgb(88, 29, 19);
/* oklch */ color: oklch(32.1% 0.090 31.9);

Tailwind

colors: {
  custom: {
    50: '#8d5c51',
    500: '#581d13',
    950: '#000000',
  },
}

SCSS

$custom: #581d13;
$custom-light: #8d5c51;
$custom-dark: #000000;

JSON

{
  "hex": "#581d13",
  "rgb": {
    "r": 88,
    "g": 29,
    "b": 19
  },
  "hsl": {
    "h": 8.696,
    "s": 64.486,
    "l": 20.98
  },
  "oklch": {
    "l": 0.32089,
    "c": 0.08964,
    "h": 31.9
  },
  "luminance": 0.03
}

Semantic roles & 50–950 ramp

primary

#581D13

secondary

#378390

accent

#CFE740

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0402

muted

#7E7978

Preview Lab

Preview with #581D13

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

Preview Lab → · Contrast checker → · Palette generator →