#581B23#581B23

#581B23 is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.1% C 0.090 H 16.0°. Best body text is #FFFFFF at 13.16:1 contrast (WCAG AA passes).

Color values

HEX	#581B23
RGB	rgb(88, 27, 35)
HSL	hsl(352, 53%, 23%)
HSV	hsv(352, 69%, 35%)
CMYK	cmyk(0%, 69.3%, 60.2%, 65.5%)
CIE-LAB	lab(19.97, 28.76, 9.98)
CIE-LCH	lch(19.97, 30.44, 19.14°)
OKLab	oklab(32.12% 0.0863 0.0248)
OKLCH	oklch(32.12% 0.09 16)
XYZ	xyz(4.7202, 2.9805, 1.9165)
Luminance	0.0298 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581B23 #1B5850

analogous

#581B42 #581B23 #58311B

triadic

#581B23 #23581B #1B2358

tetradic

#581B23 #42581B #1B5850 #311B58

square

#581B23 #42581B #1B5850 #311B58

split-complementary

#581B23 #1B5831 #1B4258

monochromatic

#170709 #290D10 #581B23 #872936 #B63848

Accessibility & contrast

On white

13.16

#581B23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#581B23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581B23

13.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581B23	#FFFFFF	#000000	##FFFFFF
##581B23	1.00	13.16	1.60	13.16
#FFFFFF	13.16	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A2823

Deuteranopia (green-blind)

#393522

Tritanopia (blue-blind)

#61101E

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #581b23;
/* rgb */ color: rgb(88, 27, 35);
/* oklch */ color: oklch(32.1% 0.090 16.0);

Tailwind

colors: {
  custom: {
    50: '#8b5b5d',
    500: '#581b23',
    950: '#000000',
  },
}

SCSS

$custom: #581b23;
$custom-light: #8b5b5d;
$custom-dark: #000000;

JSON

{
  "hex": "#581b23",
  "rgb": {
    "r": 88,
    "g": 27,
    "b": 35
  },
  "hsl": {
    "h": 352.131,
    "s": 53.043,
    "l": 22.549
  },
  "oklch": {
    "l": 0.32123,
    "c": 0.08984,
    "h": 16
  },
  "luminance": 0.0298
}

Semantic roles & 50–950 ramp

primary

#581B23

secondary

#418E84

accent

#DCC94B

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0D0404

muted

#7D7979

Preview Lab

Preview with #581B23

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

Preview Lab → · Contrast checker → · Palette generator →