#8B1F1B#8B1F1B

#8B1F1B is a dark, vivid red. Relative luminance 0.065; OKLCH L 42.0% C 0.144 H 27.6°. Best body text is #FFFFFF at 9.09:1 contrast (WCAG AA passes).

Color values

HEX	#8B1F1B
RGB	rgb(139, 31, 27)
HSL	hsl(2, 67%, 33%)
HSV	hsv(2, 81%, 55%)
CMYK	cmyk(0%, 77.7%, 80.6%, 45.5%)
CIE-LAB	lab(30.76, 44.57, 30.59)
CIE-LCH	lch(30.76, 54.06, 34.46°)
OKLab	oklab(42.03% 0.1279 0.0668)
OKLCH	oklch(42.03% 0.144 27.6)
XYZ	xyz(11.3366, 6.5499, 1.7040)
Luminance	0.0655 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#8B1F1B #1B878B

analogous

#8B1B4F #8B1F1B #8B571B

triadic

#8B1F1B #1B8B1F #1F1B8B

tetradic

#8B1F1B #4F8B1B #1B878B #571B8B

square

#8B1F1B #4F8B1B #1B878B #571B8B

split-complementary

#8B1F1B #1B8B57 #1B4F8B

monochromatic

#250807 #581411 #8B1F1B #BE2A25 #DB4B45

Accessibility & contrast

On white

9.09

#8B1F1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#8B1F1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #8B1F1B

9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##8B1F1B	#FFFFFF	#000000	##FFFFFF
##8B1F1B	1.00	9.09	2.31	9.09
#FFFFFF	9.09	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403919

Deuteranopia (green-blind)

#5B5116

Tritanopia (blue-blind)

#9A001F

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #8b1f1b;
/* rgb */ color: rgb(139, 31, 27);
/* oklch */ color: oklch(42.0% 0.144 27.6);

Tailwind

colors: {
  custom: {
    50: '#b56458',
    500: '#8b1f1b',
    950: '#000000',
  },
}

SCSS

$custom: #8b1f1b;
$custom-light: #b56458;
$custom-dark: #000000;

JSON

{
  "hex": "#8b1f1b",
  "rgb": {
    "r": 139,
    "g": 31,
    "b": 27
  },
  "hsl": {
    "h": 2.143,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.42028,
    "c": 0.14426,
    "h": 27.6
  },
  "luminance": 0.06548
}

Semantic roles & 50–950 ramp

primary

#8B1F1B

secondary

#45B8BC

accent

#E4EA3D

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #8B1F1B

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

Preview Lab → · Contrast checker → · Palette generator →