#581B28#581B28

#581B28 is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.3% C 0.090 H 10.9°. Best body text is #FFFFFF at 13.11:1 contrast (WCAG AA passes).

Color values

HEX	#581B28
RGB	rgb(88, 27, 40)
HSL	hsl(347, 53%, 23%)
HSV	hsv(347, 69%, 35%)
CMYK	cmyk(0%, 69.3%, 54.5%, 65.5%)
CIE-LAB	lab(20.09, 29.24, 6.66)
CIE-LCH	lch(20.09, 29.99, 12.83°)
OKLab	oklab(32.26% 0.0886 0.017)
OKLCH	oklch(32.26% 0.09 10.9)
XYZ	xyz(4.7998, 3.0124, 2.3358)
Luminance	0.0301 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581B28 #1B584B

analogous

#581B46 #581B28 #582C1B

triadic

#581B28 #28581B #1B2858

tetradic

#581B28 #46581B #1B584B #2C1B58

square

#581B28 #46581B #1B584B #2C1B58

split-complementary

#581B28 #1B582C #1B4658

monochromatic

#17070B #290D13 #581B28 #87293D #B63853

Accessibility & contrast

On white

13.11

#581B28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#581B28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581B28

13.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581B28	#FFFFFF	#000000	##FFFFFF
##581B28	1.00	13.11	1.60	13.11
#FFFFFF	13.11	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292928

Deuteranopia (green-blind)

#393527

Tritanopia (blue-blind)

#601120

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #581b28;
/* rgb */ color: rgb(88, 27, 40);
/* oklch */ color: oklch(32.3% 0.090 10.9);

Tailwind

colors: {
  custom: {
    50: '#8b5b61',
    500: '#581b28',
    950: '#000000',
  },
}

SCSS

$custom: #581b28;
$custom-light: #8b5b61;
$custom-dark: #000000;

JSON

{
  "hex": "#581b28",
  "rgb": {
    "r": 88,
    "g": 27,
    "b": 40
  },
  "hsl": {
    "h": 347.213,
    "s": 53.043,
    "l": 22.549
  },
  "oklch": {
    "l": 0.3226,
    "c": 0.09021,
    "h": 10.9
  },
  "luminance": 0.03012
}

Semantic roles & 50–950 ramp

primary

#581B28

secondary

#418E7D

accent

#DCBE4B

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0405

muted

#7D7979

Preview Lab

Preview with #581B28

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

Preview Lab → · Contrast checker → · Palette generator →