#8B181A#8B181A

#8B181A is a dark, vivid red. Relative luminance 0.062; OKLCH L 41.4% C 0.150 H 26.1°. Best body text is #FFFFFF at 9.36:1 contrast (WCAG AA passes).

Color values

HEX	#8B181A
RGB	rgb(139, 24, 26)
HSL	hsl(359, 71%, 32%)
HSV	hsv(359, 83%, 55%)
CMYK	cmyk(0%, 82.7%, 81.3%, 45.5%)
CIE-LAB	lab(29.96, 46.76, 30.36)
CIE-LCH	lch(29.96, 55.75, 32.99°)
OKLab	oklab(41.43% 0.1345 0.0659)
OKLCH	oklch(41.43% 0.15 26.1)
XYZ	xyz(11.1619, 6.2186, 1.5897)
Luminance	0.0622 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#8B181A #188B89

analogous

#8B1853 #8B181A #8B5018

triadic

#8B181A #1A8B18 #181A8B

tetradic

#8B181A #538B18 #188B89 #50188B

square

#8B181A #538B18 #188B89 #50188B

split-complementary

#8B181A #188B50 #18538B

monochromatic

#230606 #570F10 #8B181A #BF2124 #DE3F42

Accessibility & contrast

On white

9.36

#8B181A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#8B181A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #8B181A

9.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##8B181A	#FFFFFF	#000000	##FFFFFF
##8B181A	1.00	9.36	2.24	9.36
#FFFFFF	9.36	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3719

Deuteranopia (green-blind)

#594F15

Tritanopia (blue-blind)

#9A001B

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #8b181a;
/* rgb */ color: rgb(139, 24, 26);
/* oklch */ color: oklch(41.4% 0.150 26.1);

Tailwind

colors: {
  custom: {
    50: '#b66257',
    500: '#8b181a',
    950: '#000000',
  },
}

SCSS

$custom: #8b181a;
$custom-light: #b66257;
$custom-dark: #000000;

JSON

{
  "hex": "#8b181a",
  "rgb": {
    "r": 139,
    "g": 24,
    "b": 26
  },
  "hsl": {
    "h": 358.957,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.41428,
    "c": 0.14981,
    "h": 26.1
  },
  "luminance": 0.06217
}

Semantic roles & 50–950 ramp

primary

#8B181A

secondary

#40BEBC

accent

#EDEA3A

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #8B181A

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

Preview Lab → · Contrast checker → · Palette generator →