#581C2B#581C2B

#581C2B is a dark, moderate red. Relative luminance 0.031; OKLCH L 32.5% C 0.089 H 8.3°. Best body text is #FFFFFF at 13.00:1 contrast (WCAG AA passes).

Color values

HEX	#581C2B
RGB	rgb(88, 28, 43)
HSL	hsl(345, 52%, 23%)
HSV	hsv(345, 68%, 35%)
CMYK	cmyk(0%, 68.2%, 51.1%, 65.5%)
CIE-LAB	lab(20.36, 29.05, 4.93)
CIE-LCH	lch(20.36, 29.47, 9.64°)
OKLab	oklab(32.49% 0.0883 0.0128)
OKLCH	oklch(32.49% 0.089 8.3)
XYZ	xyz(4.8762, 3.0802, 2.6228)
Luminance	0.0308 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581C2B #1C5849

analogous

#581C49 #581C2B #582B1C

triadic

#581C2B #2B581C #1C2B58

tetradic

#581C2B #49581C #1C5849 #2B1C58

square

#581C2B #49581C #1C5849 #2B1C58

split-complementary

#581C2B #1C582B #1C4958

monochromatic

#17070B #2A0D14 #581C2B #862B42 #B53A58

Accessibility & contrast

On white

13.00

#581C2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#581C2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581C2B

13.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581C2B	#FFFFFF	#000000	##FFFFFF
##581C2B	1.00	13.00	1.62	13.00
#FFFFFF	13.00	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	13.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292A2B

Deuteranopia (green-blind)

#39362A

Tritanopia (blue-blind)

#601322

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #581c2b;
/* rgb */ color: rgb(88, 28, 43);
/* oklch */ color: oklch(32.5% 0.089 8.3);

Tailwind

colors: {
  custom: {
    50: '#8b5c64',
    500: '#581c2b',
    950: '#000000',
  },
}

SCSS

$custom: #581c2b;
$custom-light: #8b5c64;
$custom-dark: #000000;

JSON

{
  "hex": "#581c2b",
  "rgb": {
    "r": 88,
    "g": 28,
    "b": 43
  },
  "hsl": {
    "h": 345,
    "s": 51.724,
    "l": 22.745
  },
  "oklch": {
    "l": 0.32488,
    "c": 0.08926,
    "h": 8.3
  },
  "luminance": 0.0308
}

Semantic roles & 50–950 ramp

primary

#581C2B

secondary

#428E7B

accent

#DBB84D

background

#F8F5F5

surface

#F0E9EA

border

#CBC5C6

text

#0C0405

muted

#7D7979

Preview Lab

Preview with #581C2B

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

Preview Lab → · Contrast checker → · Palette generator →