#580D1B#580D1B

#580D1B is a dark, moderate red. Relative luminance 0.024; OKLCH L 30.3% C 0.106 H 16.6°. Best body text is #FFFFFF at 14.11:1 contrast (WCAG AA passes).

Color values

HEX	#580D1B
RGB	rgb(88, 13, 27)
HSL	hsl(349, 74%, 20%)
HSV	hsv(349, 85%, 35%)
CMYK	cmyk(0%, 85.2%, 69.3%, 65.5%)
CIE-LAB	lab(17.66, 34.01, 12.57)
CIE-LCH	lch(17.66, 36.26, 20.29°)
OKLab	oklab(30.35% 0.1015 0.0302)
OKLCH	oklch(30.35% 0.106 16.6)
XYZ	xyz(4.3667, 2.4424, 1.2782)
Luminance	0.0244 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#580D1B #0D584A

analogous

#580D41 #580D1B #58250D

triadic

#580D1B #1B580D #0D1B58

tetradic

#580D1B #41580D #0D584A #250D58

square

#580D1B #41580D #0D584A #250D58

split-complementary

#580D1B #0D5825 #0D4158

monochromatic

#1B0408 #23050B #580D1B #8D152B #C31D3C

Accessibility & contrast

On white

14.11

#580D1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#580D1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #580D1B

14.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##580D1B	#FFFFFF	#000000	##FFFFFF
##580D1B	1.00	14.11	1.49	14.11
#FFFFFF	14.11	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23211B

Deuteranopia (green-blind)

#363119

Tritanopia (blue-blind)

#610013

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #580d1b;
/* rgb */ color: rgb(88, 13, 27);
/* oklch */ color: oklch(30.3% 0.106 16.6);

Tailwind

colors: {
  custom: {
    50: '#8d5457',
    500: '#580d1b',
    950: '#000000',
  },
}

SCSS

$custom: #580d1b;
$custom-light: #8d5457;
$custom-dark: #000000;

JSON

{
  "hex": "#580d1b",
  "rgb": {
    "r": 88,
    "g": 13,
    "b": 27
  },
  "hsl": {
    "h": 348.8,
    "s": 74.257,
    "l": 19.804
  },
  "oklch": {
    "l": 0.30346,
    "c": 0.1059,
    "h": 16.6
  },
  "luminance": 0.02442
}

Semantic roles & 50–950 ramp

primary

#580D1B

secondary

#2E9380

accent

#F1CE37

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0303

muted

#7E7878

Preview Lab

Preview with #580D1B

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

Preview Lab → · Contrast checker → · Palette generator →