#581318#581318

#581318 is a dark, moderate red. Relative luminance 0.026; OKLCH L 30.9% C 0.100 H 21.5°. Best body text is #FFFFFF at 13.80:1 contrast (WCAG AA passes).

Color values

HEX	#581318
RGB	rgb(88, 19, 24)
HSL	hsl(356, 64%, 21%)
HSV	hsv(356, 78%, 35%)
CMYK	cmyk(0%, 78.4%, 72.7%, 65.5%)
CIE-LAB	lab(18.40, 31.58, 15.62)
CIE-LCH	lch(18.40, 35.23, 26.32°)
OKLab	oklab(30.88% 0.093 0.0367)
OKLCH	oklch(30.88% 0.1 21.5)
XYZ	xyz(4.4227, 2.6071, 1.1343)
Luminance	0.0261 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581318 #135853

analogous

#58133A #581318 #583013

triadic

#581318 #185813 #131858

tetradic

#581318 #3A5813 #135853 #301358

square

#581318 #3A5813 #135853 #301358

split-complementary

#581318 #135830 #133A58

monochromatic

#190507 #26080A #581318 #8A1E26 #BD2933

Accessibility & contrast

On white

13.80

#581318 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#581318 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581318

13.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581318	#FFFFFF	#000000	##FFFFFF
##581318	1.00	13.80	1.52	13.80
#FFFFFF	13.80	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#272318

Deuteranopia (green-blind)

#383216

Tritanopia (blue-blind)

#610015

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #581318;
/* rgb */ color: rgb(88, 19, 24);
/* oklch */ color: oklch(30.9% 0.100 21.5);

Tailwind

colors: {
  custom: {
    50: '#8d5754',
    500: '#581318',
    950: '#000000',
  },
}

SCSS

$custom: #581318;
$custom-light: #8d5754;
$custom-dark: #000000;

JSON

{
  "hex": "#581318",
  "rgb": {
    "r": 88,
    "g": 19,
    "b": 24
  },
  "hsl": {
    "h": 355.652,
    "s": 64.486,
    "l": 20.98
  },
  "oklch": {
    "l": 0.30876,
    "c": 0.09999,
    "h": 21.5
  },
  "luminance": 0.02606
}

Semantic roles & 50–950 ramp

primary

#581318

secondary

#37908A

accent

#E7DB40

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0302

muted

#7E7878

Preview Lab

Preview with #581318

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

Preview Lab → · Contrast checker → · Palette generator →