#581B0E#581B0E

#581B0E is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.7% C 0.093 H 33.7°. Best body text is #FFFFFF at 13.31:1 contrast (WCAG AA passes).

Color values

HEX	#581B0E
RGB	rgb(88, 27, 14)
HSL	hsl(11, 73%, 20%)
HSV	hsv(11, 84%, 35%)
CMYK	cmyk(0%, 69.3%, 84.1%, 65.5%)
CIE-LAB	lab(19.60, 27.38, 23.26)
CIE-LCH	lch(19.60, 35.92, 40.35°)
OKLab	oklab(31.73% 0.0774 0.0517)
OKLCH	oklch(31.73% 0.093 33.7)
XYZ	xyz(4.4962, 2.8909, 0.7366)
Luminance	0.0289 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581B0E #0E4B58

analogous

#580E26 #581B0E #58400E

triadic

#581B0E #0E581B #1B0E58

tetradic

#581B0E #26580E #0E4B58 #400E58

square

#581B0E #26580E #0E4B58 #400E58

split-complementary

#581B0E #0E5840 #0E2658

monochromatic

#1A0804 #230B06 #581B0E #8D2B16 #C23B1F

Accessibility & contrast

On white

13.31

#581B0E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#581B0E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581B0E

13.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581B0E	#FFFFFF	#000000	##FFFFFF
##581B0E	1.00	13.31	1.58	13.31
#FFFFFF	13.31	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C270C

Deuteranopia (green-blind)

#3B340C

Tritanopia (blue-blind)

#620B18

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #581b0e;
/* rgb */ color: rgb(88, 27, 14);
/* oklch */ color: oklch(31.7% 0.093 33.7);

Tailwind

colors: {
  custom: {
    50: '#8d5b4d',
    500: '#581b0e',
    950: '#000000',
  },
}

SCSS

$custom: #581b0e;
$custom-light: #8d5b4d;
$custom-dark: #000000;

JSON

{
  "hex": "#581b0e",
  "rgb": {
    "r": 88,
    "g": 27,
    "b": 14
  },
  "hsl": {
    "h": 10.541,
    "s": 72.549,
    "l": 20
  },
  "oklch": {
    "l": 0.31733,
    "c": 0.09308,
    "h": 33.7
  },
  "luminance": 0.0289
}

Semantic roles & 50–950 ramp

primary

#581B0E

secondary

#308192

accent

#CFEF39

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0401

muted

#7E7977

Preview Lab

Preview with #581B0E

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

Preview Lab → · Contrast checker → · Palette generator →