#581B2A#581B2A

#581B2A is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.3% C 0.091 H 8.8°. Best body text is #FFFFFF at 13.08:1 contrast (WCAG AA passes).

Color values

HEX	#581B2A
RGB	rgb(88, 27, 42)
HSL	hsl(345, 53%, 23%)
HSV	hsv(345, 69%, 35%)
CMYK	cmyk(0%, 69.3%, 52.3%, 65.5%)
CIE-LAB	lab(20.15, 29.45, 5.33)
CIE-LCH	lch(20.15, 29.92, 10.27°)
OKLab	oklab(32.32% 0.0895 0.0138)
OKLCH	oklch(32.32% 0.091 8.8)
XYZ	xyz(4.8347, 3.0263, 2.5196)
Luminance	0.0303 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581B2A #1B5849

analogous

#581B48 #581B2A #582B1B

triadic

#581B2A #2A581B #1B2A58

tetradic

#581B2A #48581B #1B5849 #2B1B58

square

#581B2A #48581B #1B5849 #2B1B58

split-complementary

#581B2A #1B582B #1B4858

monochromatic

#17070B #290D14 #581B2A #872940 #B63857

Accessibility & contrast

On white

13.08

#581B2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#581B2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581B2A

13.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581B2A	#FFFFFF	#000000	##FFFFFF
##581B2A	1.00	13.08	1.61	13.08
#FFFFFF	13.08	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#28292A

Deuteranopia (green-blind)

#383529

Tritanopia (blue-blind)

#601221

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #581b2a;
/* rgb */ color: rgb(88, 27, 42);
/* oklch */ color: oklch(32.3% 0.091 8.8);

Tailwind

colors: {
  custom: {
    50: '#8b5b63',
    500: '#581b2a',
    950: '#000000',
  },
}

SCSS

$custom: #581b2a;
$custom-light: #8b5b63;
$custom-dark: #000000;

JSON

{
  "hex": "#581b2a",
  "rgb": {
    "r": 88,
    "g": 27,
    "b": 42
  },
  "hsl": {
    "h": 345.246,
    "s": 53.043,
    "l": 22.549
  },
  "oklch": {
    "l": 0.3232,
    "c": 0.09054,
    "h": 8.8
  },
  "luminance": 0.03026
}

Semantic roles & 50–950 ramp

primary

#581B2A

secondary

#418E7B

accent

#DCB94B

background

#F8F5F5

surface

#F0E9EA

border

#CBC5C6

text

#0C0405

muted

#7D7979

Preview Lab

Preview with #581B2A

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

Preview Lab → · Contrast checker → · Palette generator →