#581C28#581C28

#581C28 is a dark, moderate red. Relative luminance 0.031; OKLCH L 32.4% C 0.089 H 11.5°. Best body text is #FFFFFF at 13.03:1 contrast (WCAG AA passes).

Color values

HEX	#581C28
RGB	rgb(88, 28, 40)
HSL	hsl(348, 52%, 23%)
HSV	hsv(348, 68%, 35%)
CMYK	cmyk(0%, 68.2%, 54.5%, 65.5%)
CIE-LAB	lab(20.28, 28.74, 6.92)
CIE-LCH	lch(20.28, 29.56, 13.53°)
OKLab	oklab(32.4% 0.087 0.0177)
OKLCH	oklch(32.4% 0.089 11.5)
XYZ	xyz(4.8231, 3.0590, 2.3435)
Luminance	0.0306 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581C28 #1C584C

analogous

#581C46 #581C28 #582E1C

triadic

#581C28 #28581C #1C2858

tetradic

#581C28 #46581C #1C584C #2E1C58

square

#581C28 #46581C #1C584C #2E1C58

split-complementary

#581C28 #1C582E #1C4658

monochromatic

#17070B #2A0D13 #581C28 #862B3D #B53A52

Accessibility & contrast

On white

13.03

#581C28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#581C28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581C28

13.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581C28	#FFFFFF	#000000	##FFFFFF
##581C28	1.00	13.03	1.61	13.03
#FFFFFF	13.03	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A2928

Deuteranopia (green-blind)

#393527

Tritanopia (blue-blind)

#601321

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #581c28;
/* rgb */ color: rgb(88, 28, 40);
/* oklch */ color: oklch(32.4% 0.089 11.5);

Tailwind

colors: {
  custom: {
    50: '#8b5c61',
    500: '#581c28',
    950: '#000000',
  },
}

SCSS

$custom: #581c28;
$custom-light: #8b5c61;
$custom-dark: #000000;

JSON

{
  "hex": "#581c28",
  "rgb": {
    "r": 88,
    "g": 28,
    "b": 40
  },
  "hsl": {
    "h": 348,
    "s": 51.724,
    "l": 22.745
  },
  "oklch": {
    "l": 0.32398,
    "c": 0.08878,
    "h": 11.5
  },
  "luminance": 0.03058
}

Semantic roles & 50–950 ramp

primary

#581C28

secondary

#428E7E

accent

#DBBF4D

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0405

muted

#7D7979

Preview Lab

Preview with #581C28

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

Preview Lab → · Contrast checker → · Palette generator →