#581F2B#581F2B

#581F2B is a dark, moderate red. Relative luminance 0.032; OKLCH L 32.9% C 0.085 H 10.1°. Best body text is #FFFFFF at 12.76:1 contrast (WCAG AA passes).

Color values

HEX	#581F2B
RGB	rgb(88, 31, 43)
HSL	hsl(347, 48%, 23%)
HSV	hsv(347, 65%, 35%)
CMYK	cmyk(0%, 64.8%, 51.1%, 65.5%)
CIE-LAB	lab(20.94, 27.50, 5.75)
CIE-LCH	lch(20.94, 28.10, 11.81°)
OKLab	oklab(32.92% 0.0834 0.0149)
OKLCH	oklch(32.92% 0.085 10.1)
XYZ	xyz(4.9509, 3.2297, 2.6477)
Luminance	0.0323 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581F2B #1F584C

analogous

#581F47 #581F2B #582F1F

triadic

#581F2B #2B581F #1F2B58

tetradic

#581F2B #47581F #1F584C #2F1F58

square

#581F2B #47581F #1F584C #2F1F58

split-complementary

#581F2B #1F582F #1F4758

monochromatic

#17080B #2B0F15 #581F2B #852F41 #B33F57

Accessibility & contrast

On white

12.76

#581F2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#581F2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581F2B

12.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581F2B	#FFFFFF	#000000	##FFFFFF
##581F2B	1.00	12.76	1.65	12.76
#FFFFFF	12.76	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2B2B

Deuteranopia (green-blind)

#3A372A

Tritanopia (blue-blind)

#601724

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #581f2b;
/* rgb */ color: rgb(88, 31, 43);
/* oklch */ color: oklch(32.9% 0.085 10.1);

Tailwind

colors: {
  custom: {
    50: '#8b5e64',
    500: '#581f2b',
    950: '#000000',
  },
}

SCSS

$custom: #581f2b;
$custom-light: #8b5e64;
$custom-dark: #000000;

JSON

{
  "hex": "#581f2b",
  "rgb": {
    "r": 88,
    "g": 31,
    "b": 43
  },
  "hsl": {
    "h": 347.368,
    "s": 47.899,
    "l": 23.333
  },
  "oklch": {
    "l": 0.32921,
    "c": 0.08474,
    "h": 10.1
  },
  "luminance": 0.03229
}

Semantic roles & 50–950 ramp

primary

#581F2B

secondary

#468D7E

accent

#D7BB50

background

#F8F5F5

surface

#F0E9EA

border

#CBC5C6

text

#0C0405

muted

#7D7979

Preview Lab

Preview with #581F2B

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

Preview Lab → · Contrast checker → · Palette generator →