#871C21#871C21

#871C21 is a dark, vivid red. Relative luminance 0.061; OKLCH L 41.1% C 0.142 H 24.0°. Best body text is #FFFFFF at 9.47:1 contrast (WCAG AA passes).

Color values

HEX	#871C21
RGB	rgb(135, 28, 33)
HSL	hsl(357, 66%, 32%)
HSV	hsv(357, 79%, 53%)
CMYK	cmyk(0%, 79.3%, 75.6%, 47.1%)
CIE-LAB	lab(29.65, 44.55, 25.48)
CIE-LCH	lch(29.65, 51.32, 29.76°)
OKLab	oklab(41.08% 0.1297 0.0576)
OKLCH	oklch(41.08% 0.142 24)
XYZ	xyz(10.6827, 6.0929, 2.0521)
Luminance	0.0609 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#871C21 #1C8782

analogous

#871C57 #871C21 #874D1C

triadic

#871C21 #21871C #1C2187

tetradic

#871C21 #57871C #1C8782 #4D1C87

square

#871C21 #57871C #1C8782 #4D1C87

split-complementary

#871C21 #1C874D #1C5787

monochromatic

#220708 #541115 #871C21 #BA272D #D8454C

Accessibility & contrast

On white

9.47

#871C21 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#871C21 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #871C21

9.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##871C21	#FFFFFF	#000000	##FFFFFF
##871C21	1.00	9.47	2.22	9.47
#FFFFFF	9.47	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3720

Deuteranopia (green-blind)

#574E1D

Tritanopia (blue-blind)

#95001F

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #871c21;
/* rgb */ color: rgb(135, 28, 33);
/* oklch */ color: oklch(41.1% 0.142 24.0);

Tailwind

colors: {
  custom: {
    50: '#b2635c',
    500: '#871c21',
    950: '#000000',
  },
}

SCSS

$custom: #871c21;
$custom-light: #b2635c;
$custom-dark: #000000;

JSON

{
  "hex": "#871c21",
  "rgb": {
    "r": 135,
    "g": 28,
    "b": 33
  },
  "hsl": {
    "h": 357.196,
    "s": 65.644,
    "l": 31.961
  },
  "oklch": {
    "l": 0.41075,
    "c": 0.14188,
    "h": 24
  },
  "luminance": 0.06091
}

Semantic roles & 50–950 ramp

primary

#871C21

secondary

#45BAB4

accent

#E9E13F

background

#FBF6F5

surface

#F7EBE9

border

#D0C6C5

text

#120604

muted

#817A79

Preview Lab

Preview with #871C21

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

Preview Lab → · Contrast checker → · Palette generator →