#871B2B#871B2B

#871B2B is a dark, vivid red. Relative luminance 0.061; OKLCH L 41.2% C 0.142 H 18.6°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#871B2B
RGB	rgb(135, 27, 43)
HSL	hsl(351, 67%, 32%)
HSV	hsv(351, 80%, 53%)
CMYK	cmyk(0%, 80%, 68.1%, 47.1%)
CIE-LAB	lab(29.69, 45.39, 19.08)
CIE-LCH	lch(29.69, 49.24, 22.80°)
OKLab	oklab(41.16% 0.1347 0.0452)
OKLCH	oklch(41.16% 0.142 18.6)
XYZ	xyz(10.8208, 6.1108, 2.8948)
Luminance	0.0611 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#871B2B #1B8777

analogous

#871B61 #871B2B #87411B

triadic

#871B2B #2B871B #1B2B87

tetradic

#871B2B #61871B #1B8777 #411B87

square

#871B2B #61871B #1B8777 #411B87

split-complementary

#871B2B #1B8741 #1B6187

monochromatic

#21070B #54111B #871B2B #BA253B #D94359

Accessibility & contrast

On white

9.45

#871B2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#871B2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #871B2B

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##871B2B	#FFFFFF	#000000	##FFFFFF
##871B2B	1.00	9.45	2.22	9.45
#FFFFFF	9.45	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B372B

Deuteranopia (green-blind)

#564E28

Tritanopia (blue-blind)

#950022

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #871b2b;
/* rgb */ color: rgb(135, 27, 43);
/* oklch */ color: oklch(41.2% 0.142 18.6);

Tailwind

colors: {
  custom: {
    50: '#b16264',
    500: '#871b2b',
    950: '#000000',
  },
}

SCSS

$custom: #871b2b;
$custom-light: #b16264;
$custom-dark: #000000;

JSON

{
  "hex": "#871b2b",
  "rgb": {
    "r": 135,
    "g": 27,
    "b": 43
  },
  "hsl": {
    "h": 351.111,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.4116,
    "c": 0.14206,
    "h": 18.6
  },
  "luminance": 0.06109
}

Semantic roles & 50–950 ramp

primary

#871B2B

secondary

#44BAA9

accent

#EAD03E

background

#FBF6F5

surface

#F6EBEA

border

#D0C6C6

text

#120605

muted

#817A79

Preview Lab

Preview with #871B2B

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

Preview Lab → · Contrast checker → · Palette generator →