#8B1B1F#8B1B1F

#8B1B1F is a dark, vivid red. Relative luminance 0.064; OKLCH L 41.7% C 0.147 H 24.8°. Best body text is #FFFFFF at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#8B1B1F
RGB	rgb(139, 27, 31)
HSL	hsl(358, 67%, 33%)
HSV	hsv(358, 81%, 55%)
CMYK	cmyk(0%, 80.6%, 77.7%, 45.5%)
CIE-LAB	lab(30.34, 46.05, 27.73)
CIE-LCH	lch(30.34, 53.75, 31.05°)
OKLab	oklab(41.73% 0.1334 0.0617)
OKLCH	oklch(41.73% 0.147 24.8)
XYZ	xyz(11.2881, 6.3736, 1.9319)
Luminance	0.0637 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#8B1B1F #1B8B87

analogous

#8B1B57 #8B1B1F #8B4F1B

triadic

#8B1B1F #1F8B1B #1B1F8B

tetradic

#8B1B1F #578B1B #1B8B87 #4F1B8B

square

#8B1B1F #578B1B #1B8B87 #4F1B8B

split-complementary

#8B1B1F #1B8B4F #1B578B

monochromatic

#250708 #581114 #8B1B1F #BE252A #DB454B

Accessibility & contrast

On white

9.23

#8B1B1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#8B1B1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #8B1B1F

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##8B1B1F	#FFFFFF	#000000	##FFFFFF
##8B1B1F	1.00	9.23	2.27	9.23
#FFFFFF	9.23	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E381E

Deuteranopia (green-blind)

#5A501B

Tritanopia (blue-blind)

#9A001E

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #8b1b1f;
/* rgb */ color: rgb(139, 27, 31);
/* oklch */ color: oklch(41.7% 0.147 24.8);

Tailwind

colors: {
  custom: {
    50: '#b5635b',
    500: '#8b1b1f',
    950: '#000000',
  },
}

SCSS

$custom: #8b1b1f;
$custom-light: #b5635b;
$custom-dark: #000000;

JSON

{
  "hex": "#8b1b1f",
  "rgb": {
    "r": 139,
    "g": 27,
    "b": 31
  },
  "hsl": {
    "h": 357.857,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.41728,
    "c": 0.14699,
    "h": 24.8
  },
  "luminance": 0.06372
}

Semantic roles & 50–950 ramp

primary

#8B1B1F

secondary

#45BCB8

accent

#EAE43D

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130604

muted

#827A79

Preview Lab

Preview with #8B1B1F

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

Preview Lab → · Contrast checker → · Palette generator →