#58181A#58181A

#58181A is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.5% C 0.094 H 22.6°. Best body text is #FFFFFF at 13.46:1 contrast (WCAG AA passes).

Color values

HEX	#58181A
RGB	rgb(88, 24, 26)
HSL	hsl(358, 57%, 22%)
HSV	hsv(358, 73%, 35%)
CMYK	cmyk(0%, 72.7%, 70.5%, 65.5%)
CIE-LAB	lab(19.24, 29.50, 15.29)
CIE-LCH	lch(19.24, 33.23, 27.39°)
OKLab	oklab(31.52% 0.0869 0.0362)
OKLCH	oklch(31.52% 0.094 22.6)
XYZ	xyz(4.5381, 2.8032, 1.2792)
Luminance	0.0280 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#58181A #185856

analogous

#58183A #58181A #583618

triadic

#58181A #1A5818 #181A58

tetradic

#58181A #3A5818 #185856 #361858

square

#58181A #3A5818 #185856 #361858

split-complementary

#58181A #185836 #183A58

monochromatic

#180707 #280B0C #58181A #882528 #B83236

Accessibility & contrast

On white

13.46

#58181A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#58181A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #58181A

13.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##58181A	#FFFFFF	#000000	##FFFFFF
##58181A	1.00	13.46	1.56	13.46
#FFFFFF	13.46	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29261A

Deuteranopia (green-blind)

#393418

Tritanopia (blue-blind)

#610819

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #58181a;
/* rgb */ color: rgb(88, 24, 26);
/* oklch */ color: oklch(31.5% 0.094 22.6);

Tailwind

colors: {
  custom: {
    50: '#8c5956',
    500: '#58181a',
    950: '#000000',
  },
}

SCSS

$custom: #58181a;
$custom-light: #8c5956;
$custom-dark: #000000;

JSON

{
  "hex": "#58181a",
  "rgb": {
    "r": 88,
    "g": 24,
    "b": 26
  },
  "hsl": {
    "h": 358.125,
    "s": 57.143,
    "l": 21.961
  },
  "oklch": {
    "l": 0.31516,
    "c": 0.09412,
    "h": 22.6
  },
  "luminance": 0.02803
}

Semantic roles & 50–950 ramp

primary

#58181A

secondary

#3D8F8C

accent

#E0DC47

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #58181A

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

Preview Lab → · Contrast checker → · Palette generator →