#581B29#581B29

#581B29 is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.3% C 0.090 H 9.8°. Best body text is #FFFFFF at 13.09:1 contrast (WCAG AA passes).

Color values

HEX	#581B29
RGB	rgb(88, 27, 41)
HSL	hsl(346, 53%, 23%)
HSV	hsv(346, 69%, 35%)
CMYK	cmyk(0%, 69.3%, 53.4%, 65.5%)
CIE-LAB	lab(20.12, 29.34, 6.00)
CIE-LCH	lch(20.12, 29.95, 11.55°)
OKLab	oklab(32.29% 0.089 0.0154)
OKLCH	oklch(32.29% 0.09 9.8)
XYZ	xyz(4.8171, 3.0193, 2.4265)
Luminance	0.0302 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581B29 #1B584A

analogous

#581B47 #581B29 #582C1B

triadic

#581B29 #29581B #1B2958

tetradic

#581B29 #47581B #1B584A #2C1B58

square

#581B29 #47581B #1B584A #2C1B58

split-complementary

#581B29 #1B582C #1B4758

monochromatic

#17070B #290D13 #581B29 #87293F #B63855

Accessibility & contrast

On white

13.09

#581B29 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#581B29 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581B29

13.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581B29	#FFFFFF	#000000	##FFFFFF
##581B29	1.00	13.09	1.60	13.09
#FFFFFF	13.09	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292929

Deuteranopia (green-blind)

#383528

Tritanopia (blue-blind)

#601120

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #581b29;
/* rgb */ color: rgb(88, 27, 41);
/* oklch */ color: oklch(32.3% 0.090 9.8);

Tailwind

colors: {
  custom: {
    50: '#8b5b62',
    500: '#581b29',
    950: '#000000',
  },
}

SCSS

$custom: #581b29;
$custom-light: #8b5b62;
$custom-dark: #000000;

JSON

{
  "hex": "#581b29",
  "rgb": {
    "r": 88,
    "g": 27,
    "b": 41
  },
  "hsl": {
    "h": 346.23,
    "s": 53.043,
    "l": 22.549
  },
  "oklch": {
    "l": 0.3229,
    "c": 0.09037,
    "h": 9.8
  },
  "luminance": 0.03019
}

Semantic roles & 50–950 ramp

primary

#581B29

secondary

#418E7C

accent

#DCBB4B

background

#F8F5F5

surface

#F0E9EA

border

#CBC5C6

text

#0C0405

muted

#7D7979

Preview Lab

Preview with #581B29

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

Preview Lab → · Contrast checker → · Palette generator →