#871B2C#871B2C

#871B2C is a dark, vivid red. Relative luminance 0.061; OKLCH L 41.2% C 0.142 H 18.0°. Best body text is #FFFFFF at 9.44:1 contrast (WCAG AA passes).

Color values

HEX	#871B2C
RGB	rgb(135, 27, 44)
HSL	hsl(351, 67%, 32%)
HSV	hsv(351, 80%, 53%)
CMYK	cmyk(0%, 80%, 67.4%, 47.1%)
CIE-LAB	lab(29.71, 45.45, 18.45)
CIE-LCH	lch(29.71, 49.05, 22.10°)
OKLab	oklab(41.18% 0.1351 0.0439)
OKLCH	oklch(41.18% 0.142 18)
XYZ	xyz(10.8394, 6.1183, 2.9926)
Luminance	0.0612 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#871B2C #1B8776

analogous

#871B62 #871B2C #87401B

triadic

#871B2C #2C871B #1B2C87

tetradic

#871B2C #62871B #1B8776 #401B87

square

#871B2C #62871B #1B8776 #401B87

split-complementary

#871B2C #1B8740 #1B6287

monochromatic

#21070B #54111B #871B2C #BA253D #D9435B

Accessibility & contrast

On white

9.44

#871B2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#871B2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #871B2C

9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##871B2C	#FFFFFF	#000000	##FFFFFF
##871B2C	1.00	9.44	2.22	9.44
#FFFFFF	9.44	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B372C

Deuteranopia (green-blind)

#564E29

Tritanopia (blue-blind)

#950022

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #871b2c;
/* rgb */ color: rgb(135, 27, 44);
/* oklch */ color: oklch(41.2% 0.142 18.0);

Tailwind

colors: {
  custom: {
    50: '#b16264',
    500: '#871b2c',
    950: '#000000',
  },
}

SCSS

$custom: #871b2c;
$custom-light: #b16264;
$custom-dark: #000000;

JSON

{
  "hex": "#871b2c",
  "rgb": {
    "r": 135,
    "g": 27,
    "b": 44
  },
  "hsl": {
    "h": 350.556,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.4118,
    "c": 0.14204,
    "h": 18
  },
  "luminance": 0.06117
}

Semantic roles & 50–950 ramp

primary

#871B2C

secondary

#44BAA7

accent

#EACF3E

background

#FBF6F6

surface

#F6EBEB

border

#D0C6C6

text

#120605

muted

#817A7A

Preview Lab

Preview with #871B2C

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

Preview Lab → · Contrast checker → · Palette generator →