#581B24#581B24

#581B24 is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.1% C 0.090 H 15.0°. Best body text is #FFFFFF at 13.15:1 contrast (WCAG AA passes).

Color values

HEX	#581B24
RGB	rgb(88, 27, 36)
HSL	hsl(351, 53%, 23%)
HSV	hsv(351, 69%, 35%)
CMYK	cmyk(0%, 69.3%, 59.1%, 65.5%)
CIE-LAB	lab(19.99, 28.85, 9.32)
CIE-LCH	lch(19.99, 30.32, 17.90°)
OKLab	oklab(32.15% 0.0868 0.0233)
OKLCH	oklch(32.15% 0.09 15)
XYZ	xyz(4.7353, 2.9866, 1.9958)
Luminance	0.0299 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581B24 #1B584F

analogous

#581B42 #581B24 #58311B

triadic

#581B24 #24581B #1B2458

tetradic

#581B24 #42581B #1B584F #311B58

square

#581B24 #42581B #1B584F #311B58

split-complementary

#581B24 #1B5831 #1B4258

monochromatic

#17070A #290D11 #581B24 #872937 #B6384A

Accessibility & contrast

On white

13.15

#581B24 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#581B24 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581B24

13.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581B24	#FFFFFF	#000000	##FFFFFF
##581B24	1.00	13.15	1.60	13.15
#FFFFFF	13.15	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A2824

Deuteranopia (green-blind)

#393523

Tritanopia (blue-blind)

#61101F

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #581b24;
/* rgb */ color: rgb(88, 27, 36);
/* oklch */ color: oklch(32.1% 0.090 15.0);

Tailwind

colors: {
  custom: {
    50: '#8b5b5e',
    500: '#581b24',
    950: '#000000',
  },
}

SCSS

$custom: #581b24;
$custom-light: #8b5b5e;
$custom-dark: #000000;

JSON

{
  "hex": "#581b24",
  "rgb": {
    "r": 88,
    "g": 27,
    "b": 36
  },
  "hsl": {
    "h": 351.148,
    "s": 53.043,
    "l": 22.549
  },
  "oklch": {
    "l": 0.32149,
    "c": 0.08986,
    "h": 15
  },
  "luminance": 0.02986
}

Semantic roles & 50–950 ramp

primary

#581B24

secondary

#418E82

accent

#DCC74B

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0D0404

muted

#7D7979

Preview Lab

Preview with #581B24

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

Preview Lab → · Contrast checker → · Palette generator →