#58181F#58181F

#58181F is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.6% C 0.094 H 18.1°. Best body text is #FFFFFF at 13.42:1 contrast (WCAG AA passes).

Color values

HEX	#58181F
RGB	rgb(88, 24, 31)
HSL	hsl(353, 57%, 22%)
HSV	hsv(353, 73%, 35%)
CMYK	cmyk(0%, 72.7%, 64.8%, 65.5%)
CIE-LAB	lab(19.34, 29.87, 11.95)
CIE-LCH	lch(19.34, 32.17, 21.80°)
OKLab	oklab(31.62% 0.0891 0.0292)
OKLCH	oklch(31.62% 0.094 18.1)
XYZ	xyz(4.5989, 2.8275, 1.5997)
Luminance	0.0283 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#58181F #185851

analogous

#58183F #58181F #583118

triadic

#58181F #1F5818 #181F58

tetradic

#58181F #3F5818 #185851 #311858

square

#58181F #3F5818 #185851 #311858

split-complementary

#58181F #185831 #183F58

monochromatic

#180708 #280B0E #58181F #882530 #B83241

Accessibility & contrast

On white

13.42

#58181F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#58181F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #58181F

13.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##58181F	#FFFFFF	#000000	##FFFFFF
##58181F	1.00	13.42	1.57	13.42
#FFFFFF	13.42	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#28261F

Deuteranopia (green-blind)

#39341D

Tritanopia (blue-blind)

#61091B

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #58181f;
/* rgb */ color: rgb(88, 24, 31);
/* oklch */ color: oklch(31.6% 0.094 18.1);

Tailwind

colors: {
  custom: {
    50: '#8c595a',
    500: '#58181f',
    950: '#000000',
  },
}

SCSS

$custom: #58181f;
$custom-light: #8c595a;
$custom-dark: #000000;

JSON

{
  "hex": "#58181f",
  "rgb": {
    "r": 88,
    "g": 24,
    "b": 31
  },
  "hsl": {
    "h": 353.438,
    "s": 57.143,
    "l": 21.961
  },
  "oklch": {
    "l": 0.31625,
    "c": 0.09377,
    "h": 18.1
  },
  "luminance": 0.02827
}

Semantic roles & 50–950 ramp

primary

#58181F

secondary

#3D8F86

accent

#E0D047

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #58181F

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

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