#8B1F18#8B1F18

#8B1F18 is a dark, vivid red. Relative luminance 0.065; OKLCH L 42.0% C 0.145 H 28.7°. Best body text is #FFFFFF at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#8B1F18
RGB	rgb(139, 31, 24)
HSL	hsl(4, 71%, 32%)
HSV	hsv(4, 83%, 55%)
CMYK	cmyk(0%, 77.7%, 82.7%, 45.5%)
CIE-LAB	lab(30.73, 44.47, 32.30)
CIE-LCH	lch(30.73, 54.96, 35.99°)
OKLab	oklab(41.99% 0.1269 0.0695)
OKLCH	oklch(41.99% 0.145 28.7)
XYZ	xyz(11.3037, 6.5367, 1.5305)
Luminance	0.0654 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#8B1F18 #18848B

analogous

#8B184B #8B1F18 #8B5918

triadic

#8B1F18 #188B1F #1F188B

tetradic

#8B1F18 #4B8B18 #18848B #59188B

square

#8B1F18 #4B8B18 #18848B #59188B

split-complementary

#8B1F18 #188B59 #184B8B

monochromatic

#230806 #57130F #8B1F18 #BF2B21 #DE493F

Accessibility & contrast

On white

9.10

#8B1F18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#8B1F18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #8B1F18

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##8B1F18	#FFFFFF	#000000	##FFFFFF
##8B1F18	1.00	9.10	2.31	9.10
#FFFFFF	9.10	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403916

Deuteranopia (green-blind)

#5B5113

Tritanopia (blue-blind)

#9A001F

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #8b1f18;
/* rgb */ color: rgb(139, 31, 24);
/* oklch */ color: oklch(42.0% 0.145 28.7);

Tailwind

colors: {
  custom: {
    50: '#b56456',
    500: '#8b1f18',
    950: '#000000',
  },
}

SCSS

$custom: #8b1f18;
$custom-light: #b56456;
$custom-dark: #000000;

JSON

{
  "hex": "#8b1f18",
  "rgb": {
    "r": 139,
    "g": 31,
    "b": 24
  },
  "hsl": {
    "h": 3.652,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.41994,
    "c": 0.14467,
    "h": 28.7
  },
  "luminance": 0.06535
}

Semantic roles & 50–950 ramp

primary

#8B1F18

secondary

#40B7BE

accent

#E2ED3A

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #8B1F18

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

Preview Lab → · Contrast checker → · Palette generator →