#581810#581810

#581810 is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.3% C 0.096 H 30.3°. Best body text is #FFFFFF at 13.52:1 contrast (WCAG AA passes).

Color values

HEX	#581810
RGB	rgb(88, 24, 16)
HSL	hsl(7, 69%, 20%)
HSV	hsv(7, 82%, 35%)
CMYK	cmyk(0%, 72.7%, 81.8%, 65.5%)
CIE-LAB	lab(19.08, 28.93, 21.60)
CIE-LCH	lch(19.08, 36.11, 36.74°)
OKLab	oklab(31.35% 0.0827 0.0484)
OKLCH	oklch(31.35% 0.096 30.3)
XYZ	xyz(4.4452, 2.7660, 0.7899)
Luminance	0.0277 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581810 #105058

analogous

#58102C #581810 #583C10

triadic

#581810 #105818 #181058

tetradic

#581810 #2C5810 #105058 #3C1058

square

#581810 #2C5810 #105058 #3C1058

split-complementary

#581810 #10583C #102C58

monochromatic

#1A0705 #240A07 #581810 #8C2619 #C03423

Accessibility & contrast

On white

13.52

#581810 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#581810 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581810

13.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581810	#FFFFFF	#000000	##FFFFFF
##581810	1.00	13.52	1.55	13.52
#FFFFFF	13.52	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A250F

Deuteranopia (green-blind)

#3A340E

Tritanopia (blue-blind)

#620517

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #581810;
/* rgb */ color: rgb(88, 24, 16);
/* oklch */ color: oklch(31.3% 0.096 30.3);

Tailwind

colors: {
  custom: {
    50: '#8d594e',
    500: '#581810',
    950: '#000000',
  },
}

SCSS

$custom: #581810;
$custom-light: #8d594e;
$custom-dark: #000000;

JSON

{
  "hex": "#581810",
  "rgb": {
    "r": 88,
    "g": 24,
    "b": 16
  },
  "hsl": {
    "h": 6.667,
    "s": 69.231,
    "l": 20.392
  },
  "oklch": {
    "l": 0.31349,
    "c": 0.09584,
    "h": 30.3
  },
  "luminance": 0.02765
}

Semantic roles & 50–950 ramp

primary

#581810

secondary

#328791

accent

#D8EC3C

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0401

muted

#7E7977

Preview Lab

Preview with #581810

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

Preview Lab → · Contrast checker → · Palette generator →