#871B1D#871B1D

#871B1D is a dark, vivid red. Relative luminance 0.060; OKLCH L 40.9% C 0.143 H 25.5°. Best body text is #FFFFFF at 9.53:1 contrast (WCAG AA passes).

Color values

HEX	#871B1D
RGB	rgb(135, 27, 29)
HSL	hsl(359, 67%, 32%)
HSV	hsv(359, 80%, 53%)
CMYK	cmyk(0%, 80%, 78.5%, 47.1%)
CIE-LAB	lab(29.48, 44.70, 27.78)
CIE-LCH	lch(29.48, 52.63, 31.85°)
OKLab	oklab(40.93% 0.1292 0.0616)
OKLCH	oklch(40.93% 0.143 25.5)
XYZ	xyz(10.6066, 6.0252, 1.7666)
Luminance	0.0602 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#871B1D #1B8785

analogous

#871B53 #871B1D #874F1B

triadic

#871B1D #1D871B #1B1D87

tetradic

#871B1D #53871B #1B8785 #4F1B87

square

#871B1D #53871B #1B8785 #4F1B87

split-complementary

#871B1D #1B874F #1B5387

monochromatic

#210707 #541112 #871B1D #BA2528 #D94346

Accessibility & contrast

On white

9.53

#871B1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#871B1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #871B1D

9.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##871B1D	#FFFFFF	#000000	##FFFFFF
##871B1D	1.00	9.53	2.20	9.53
#FFFFFF	9.53	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C371C

Deuteranopia (green-blind)

#574E19

Tritanopia (blue-blind)

#95001D

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #871b1d;
/* rgb */ color: rgb(135, 27, 29);
/* oklch */ color: oklch(40.9% 0.143 25.5);

Tailwind

colors: {
  custom: {
    50: '#b26259',
    500: '#871b1d',
    950: '#000000',
  },
}

SCSS

$custom: #871b1d;
$custom-light: #b26259;
$custom-dark: #000000;

JSON

{
  "hex": "#871b1d",
  "rgb": {
    "r": 135,
    "g": 27,
    "b": 29
  },
  "hsl": {
    "h": 358.889,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.40932,
    "c": 0.14316,
    "h": 25.5
  },
  "luminance": 0.06023
}

Semantic roles & 50–950 ramp

primary

#871B1D

secondary

#44BAB8

accent

#EAE63E

background

#FBF6F5

surface

#F7EBE9

border

#D0C6C5

text

#120603

muted

#817A78

Preview Lab

Preview with #871B1D

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

Preview Lab → · Contrast checker → · Palette generator →