#871A2A#871A2A

#871A2A is a dark, vivid red. Relative luminance 0.061; OKLCH L 41.1% C 0.143 H 18.9°. Best body text is #FFFFFF at 9.50:1 contrast (WCAG AA passes).

Color values

HEX	#871A2A
RGB	rgb(135, 26, 42)
HSL	hsl(351, 68%, 32%)
HSV	hsv(351, 81%, 53%)
CMYK	cmyk(0%, 80.7%, 68.9%, 47.1%)
CIE-LAB	lab(29.56, 45.65, 19.58)
CIE-LCH	lch(29.56, 49.67, 23.21°)
OKLab	oklab(41.06% 0.1353 0.0462)
OKLCH	oklch(41.06% 0.143 18.9)
XYZ	xyz(10.7802, 6.0585, 2.7918)
Luminance	0.0606 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#871A2A #1A8777

analogous

#871A61 #871A2A #87411A

triadic

#871A2A #2A871A #1A2A87

tetradic

#871A2A #61871A #1A8777 #411A87

square

#871A2A #61871A #1A8777 #411A87

split-complementary

#871A2A #1A8741 #1A6187

monochromatic

#20060A #54101A #871A2A #BA243A #DA4158

Accessibility & contrast

On white

9.50

#871A2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#871A2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #871A2A

9.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##871A2A	#FFFFFF	#000000	##FFFFFF
##871A2A	1.00	9.50	2.21	9.50
#FFFFFF	9.50	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B372A

Deuteranopia (green-blind)

#564E27

Tritanopia (blue-blind)

#950021

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #871a2a;
/* rgb */ color: rgb(135, 26, 42);
/* oklch */ color: oklch(41.1% 0.143 18.9);

Tailwind

colors: {
  custom: {
    50: '#b16263',
    500: '#871a2a',
    950: '#000000',
  },
}

SCSS

$custom: #871a2a;
$custom-light: #b16263;
$custom-dark: #000000;

JSON

{
  "hex": "#871a2a",
  "rgb": {
    "r": 135,
    "g": 26,
    "b": 42
  },
  "hsl": {
    "h": 351.193,
    "s": 67.702,
    "l": 31.569
  },
  "oklch": {
    "l": 0.41057,
    "c": 0.14295,
    "h": 18.9
  },
  "luminance": 0.06057
}

Semantic roles & 50–950 ramp

primary

#871A2A

secondary

#42BAA9

accent

#EBD13D

background

#FBF6F5

surface

#F6EBEA

border

#D0C6C6

text

#120605

muted

#817A79

Preview Lab

Preview with #871A2A

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

Preview Lab → · Contrast checker → · Palette generator →