#58181C#58181C

#58181C is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.6% C 0.094 H 20.9°. Best body text is #FFFFFF at 13.44:1 contrast (WCAG AA passes).

Color values

HEX	#58181C
RGB	rgb(88, 24, 28)
HSL	hsl(356, 57%, 22%)
HSV	hsv(356, 73%, 35%)
CMYK	cmyk(0%, 72.7%, 68.2%, 65.5%)
CIE-LAB	lab(19.28, 29.64, 13.96)
CIE-LCH	lch(19.28, 32.76, 25.21°)
OKLab	oklab(31.56% 0.0878 0.0335)
OKLCH	oklch(31.56% 0.094 20.9)
XYZ	xyz(4.5612, 2.8125, 1.4011)
Luminance	0.0281 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#58181C #185854

analogous

#58183C #58181C #583418

triadic

#58181C #1C5818 #181C58

tetradic

#58181C #3C5818 #185854 #341858

square

#58181C #3C5818 #185854 #341858

split-complementary

#58181C #185834 #183C58

monochromatic

#180708 #280B0D #58181C #88252B #B8323B

Accessibility & contrast

On white

13.44

#58181C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#58181C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #58181C

13.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##58181C	#FFFFFF	#000000	##FFFFFF
##58181C	1.00	13.44	1.56	13.44
#FFFFFF	13.44	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29261C

Deuteranopia (green-blind)

#39341A

Tritanopia (blue-blind)

#61081A

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #58181c;
/* rgb */ color: rgb(88, 24, 28);
/* oklch */ color: oklch(31.6% 0.094 20.9);

Tailwind

colors: {
  custom: {
    50: '#8c5958',
    500: '#58181c',
    950: '#000000',
  },
}

SCSS

$custom: #58181c;
$custom-light: #8c5958;
$custom-dark: #000000;

JSON

{
  "hex": "#58181c",
  "rgb": {
    "r": 88,
    "g": 24,
    "b": 28
  },
  "hsl": {
    "h": 356.25,
    "s": 57.143,
    "l": 21.961
  },
  "oklch": {
    "l": 0.31558,
    "c": 0.09393,
    "h": 20.9
  },
  "luminance": 0.02812
}

Semantic roles & 50–950 ramp

primary

#58181C

secondary

#3D8F8A

accent

#E0D747

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #58181C

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

Preview Lab → · Contrast checker → · Palette generator →