#871F28#871F28

#871F28 is a dark, vivid red. Relative luminance 0.063; OKLCH L 41.5% C 0.139 H 21.3°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#871F28
RGB	rgb(135, 31, 40)
HSL	hsl(355, 63%, 33%)
HSV	hsv(355, 77%, 53%)
CMYK	cmyk(0%, 77%, 70.4%, 47.1%)
CIE-LAB	lab(30.12, 43.87, 21.57)
CIE-LCH	lch(30.12, 48.88, 26.19°)
OKLab	oklab(41.46% 0.1291 0.0504)
OKLCH	oklch(41.46% 0.139 21.3)
XYZ	xyz(10.8659, 6.2857, 2.6482)
Luminance	0.0628 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#871F28 #1F877E

analogous

#871F5C #871F28 #874A1F

triadic

#871F28 #28871F #1F2887

tetradic

#871F28 #5C871F #1F877E #4A1F87

square

#871F28 #5C871F #1F877E #4A1F87

split-complementary

#871F28 #1F874A #1F5C87

monochromatic

#23080B #551419 #871F28 #B92A37 #D64B57

Accessibility & contrast

On white

9.31

#871F28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#871F28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #871F28

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##871F28	#FFFFFF	#000000	##FFFFFF
##871F28	1.00	9.31	2.26	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3927

Deuteranopia (green-blind)

#574F25

Tritanopia (blue-blind)

#950023

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #871f28;
/* rgb */ color: rgb(135, 31, 40);
/* oklch */ color: oklch(41.5% 0.139 21.3);

Tailwind

colors: {
  custom: {
    50: '#b16461',
    500: '#871f28',
    950: '#000000',
  },
}

SCSS

$custom: #871f28;
$custom-light: #b16461;
$custom-dark: #000000;

JSON

{
  "hex": "#871f28",
  "rgb": {
    "r": 135,
    "g": 31,
    "b": 40
  },
  "hsl": {
    "h": 354.808,
    "s": 62.651,
    "l": 32.549
  },
  "oklch": {
    "l": 0.41464,
    "c": 0.13859,
    "h": 21.3
  },
  "luminance": 0.06284
}

Semantic roles & 50–950 ramp

primary

#871F28

secondary

#4AB8AF

accent

#E6D842

background

#FBF6F5

surface

#F6EBEA

border

#D0C6C6

text

#120605

muted

#817A79

Preview Lab

Preview with #871F28

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

Preview Lab → · Contrast checker → · Palette generator →