#581C21#581C21

#581C21 is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.2% C 0.089 H 18.7°. Best body text is #FFFFFF at 13.10:1 contrast (WCAG AA passes).

Color values

HEX	#581C21
RGB	rgb(88, 28, 33)
HSL	hsl(355, 52%, 23%)
HSV	hsv(355, 68%, 35%)
CMYK	cmyk(0%, 68.2%, 62.5%, 65.5%)
CIE-LAB	lab(20.11, 28.08, 11.57)
CIE-LCH	lch(20.11, 30.37, 22.38°)
OKLab	oklab(32.21% 0.0838 0.0284)
OKLCH	oklch(32.21% 0.089 18.7)
XYZ	xyz(4.7147, 3.0156, 1.7724)
Luminance	0.0301 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581C21 #1C5853

analogous

#581C3F #581C21 #58351C

triadic

#581C21 #21581C #1C2158

tetradic

#581C21 #3F581C #1C5853 #351C58

square

#581C21 #3F581C #1C5853 #351C58

split-complementary

#581C21 #1C5835 #1C3F58

monochromatic

#170709 #2A0D10 #581C21 #862B32 #B53A44

Accessibility & contrast

On white

13.10

#581C21 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#581C21 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581C21

13.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581C21	#FFFFFF	#000000	##FFFFFF
##581C21	1.00	13.10	1.60	13.10
#FFFFFF	13.10	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2921

Deuteranopia (green-blind)

#3A3520

Tritanopia (blue-blind)

#61111E

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #581c21;
/* rgb */ color: rgb(88, 28, 33);
/* oklch */ color: oklch(32.2% 0.089 18.7);

Tailwind

colors: {
  custom: {
    50: '#8c5c5c',
    500: '#581c21',
    950: '#000000',
  },
}

SCSS

$custom: #581c21;
$custom-light: #8c5c5c;
$custom-dark: #000000;

JSON

{
  "hex": "#581c21",
  "rgb": {
    "r": 88,
    "g": 28,
    "b": 33
  },
  "hsl": {
    "h": 355,
    "s": 51.724,
    "l": 22.745
  },
  "oklch": {
    "l": 0.32213,
    "c": 0.08852,
    "h": 18.7
  },
  "luminance": 0.03015
}

Semantic roles & 50–950 ramp

primary

#581C21

secondary

#428E87

accent

#DBCF4D

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0D0404

muted

#7D7979

Preview Lab

Preview with #581C21

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

Preview Lab → · Contrast checker → · Palette generator →