#8B1B31#8B1B31

#8B1B31 is a dark, vivid red. Relative luminance 0.065; OKLCH L 42.0% C 0.146 H 15.9°. Best body text is #FFFFFF at 9.13:1 contrast (WCAG AA passes).

Color values

HEX	#8B1B31
RGB	rgb(139, 27, 49)
HSL	hsl(348, 67%, 33%)
HSV	hsv(348, 81%, 55%)
CMYK	cmyk(0%, 80.6%, 64.7%, 45.5%)
CIE-LAB	lab(30.63, 46.98, 16.52)
CIE-LCH	lch(30.63, 49.80, 19.37°)
OKLab	oklab(42.04% 0.1405 0.0399)
OKLCH	oklch(42.04% 0.146 15.9)
XYZ	xyz(11.5950, 6.4963, 3.5485)
Luminance	0.0649 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#8B1B31 #1B8B75

analogous

#8B1B69 #8B1B31 #8B3D1B

triadic

#8B1B31 #318B1B #1B318B

tetradic

#8B1B31 #698B1B #1B8B75 #3D1B8B

square

#8B1B31 #698B1B #1B8B75 #3D1B8B

split-complementary

#8B1B31 #1B8B3D #1B698B

monochromatic

#25070D #58111F #8B1B31 #BE2543 #DB4563

Accessibility & contrast

On white

9.13

#8B1B31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#8B1B31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #8B1B31

9.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##8B1B31	#FFFFFF	#000000	##FFFFFF
##8B1B31	1.00	9.13	2.30	9.13
#FFFFFF	9.13	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3931

Deuteranopia (green-blind)

#58502E

Tritanopia (blue-blind)

#990025

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #8b1b31;
/* rgb */ color: rgb(139, 27, 49);
/* oklch */ color: oklch(42.0% 0.146 15.9);

Tailwind

colors: {
  custom: {
    50: '#b46368',
    500: '#8b1b31',
    950: '#000000',
  },
}

SCSS

$custom: #8b1b31;
$custom-light: #b46368;
$custom-dark: #000000;

JSON

{
  "hex": "#8b1b31",
  "rgb": {
    "r": 139,
    "g": 27,
    "b": 49
  },
  "hsl": {
    "h": 348.214,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.42042,
    "c": 0.14607,
    "h": 15.9
  },
  "luminance": 0.06495
}

Semantic roles & 50–950 ramp

primary

#8B1B31

secondary

#45BCA5

accent

#EAC83D

background

#FBF6F6

surface

#F7EBEB

border

#D0C6C6

text

#120606

muted

#817A7A

Preview Lab

Preview with #8B1B31

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

Preview Lab → · Contrast checker → · Palette generator →