#581A1F#581A1F

#581A1F is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.9% C 0.091 H 19.3°. Best body text is #FFFFFF at 13.27:1 contrast (WCAG AA passes).

Color values

HEX	#581A1F
RGB	rgb(88, 26, 31)
HSL	hsl(355, 54%, 22%)
HSV	hsv(355, 70%, 35%)
CMYK	cmyk(0%, 70.5%, 64.8%, 65.5%)
CIE-LAB	lab(19.69, 28.91, 12.41)
CIE-LCH	lch(19.69, 31.46, 23.23°)
OKLab	oklab(31.89% 0.0861 0.0302)
OKLCH	oklch(31.89% 0.091 19.3)
XYZ	xyz(4.6417, 2.9131, 1.6139)
Luminance	0.0291 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581A1F #1A5853

analogous

#581A3E #581A1F #58341A

triadic

#581A1F #1F581A #1A1F58

tetradic

#581A1F #3E581A #1A5853 #341A58

square

#581A1F #3E581A #1A5853 #341A58

split-complementary

#581A1F #1A5834 #1A3E58

monochromatic

#180708 #290C0E #581A1F #872830 #B63640

Accessibility & contrast

On white

13.27

#581A1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#581A1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581A1F

13.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581A1F	#FFFFFF	#000000	##FFFFFF
##581A1F	1.00	13.27	1.58	13.27
#FFFFFF	13.27	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A271F

Deuteranopia (green-blind)

#3A341D

Tritanopia (blue-blind)

#610D1C

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #581a1f;
/* rgb */ color: rgb(88, 26, 31);
/* oklch */ color: oklch(31.9% 0.091 19.3);

Tailwind

colors: {
  custom: {
    50: '#8c5a5a',
    500: '#581a1f',
    950: '#000000',
  },
}

SCSS

$custom: #581a1f;
$custom-light: #8c5a5a;
$custom-dark: #000000;

JSON

{
  "hex": "#581a1f",
  "rgb": {
    "r": 88,
    "g": 26,
    "b": 31
  },
  "hsl": {
    "h": 355.161,
    "s": 54.386,
    "l": 22.353
  },
  "oklch": {
    "l": 0.31889,
    "c": 0.09123,
    "h": 19.3
  },
  "luminance": 0.02912
}

Semantic roles & 50–950 ramp

primary

#581A1F

secondary

#408E88

accent

#DED24A

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #581A1F

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

Preview Lab → · Contrast checker → · Palette generator →