#871B1F#871B1F

#871B1F is a dark, vivid red. Relative luminance 0.060; OKLCH L 41.0% C 0.143 H 24.6°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#871B1F
RGB	rgb(135, 27, 31)
HSL	hsl(358, 67%, 32%)
HSV	hsv(358, 80%, 53%)
CMYK	cmyk(0%, 80%, 77%, 47.1%)
CIE-LAB	lab(29.50, 44.79, 26.56)
CIE-LCH	lch(29.50, 52.07, 30.67°)
OKLab	oklab(40.96% 0.13 0.0595)
OKLCH	oklch(40.96% 0.143 24.6)
XYZ	xyz(10.6322, 6.0354, 1.9012)
Luminance	0.0603 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#871B1F #1B8783

analogous

#871B55 #871B1F #874D1B

triadic

#871B1F #1F871B #1B1F87

tetradic

#871B1F #55871B #1B8783 #4D1B87

square

#871B1F #55871B #1B8783 #4D1B87

split-complementary

#871B1F #1B874D #1B5587

monochromatic

#210708 #541113 #871B1F #BA252B #D94349

Accessibility & contrast

On white

9.52

#871B1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#871B1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #871B1F

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##871B1F	#FFFFFF	#000000	##FFFFFF
##871B1F	1.00	9.52	2.21	9.52
#FFFFFF	9.52	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C371E

Deuteranopia (green-blind)

#574E1B

Tritanopia (blue-blind)

#95001E

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #871b1f;
/* rgb */ color: rgb(135, 27, 31);
/* oklch */ color: oklch(41.0% 0.143 24.6);

Tailwind

colors: {
  custom: {
    50: '#b2625b',
    500: '#871b1f',
    950: '#000000',
  },
}

SCSS

$custom: #871b1f;
$custom-light: #b2625b;
$custom-dark: #000000;

JSON

{
  "hex": "#871b1f",
  "rgb": {
    "r": 135,
    "g": 27,
    "b": 31
  },
  "hsl": {
    "h": 357.778,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.4096,
    "c": 0.14292,
    "h": 24.6
  },
  "luminance": 0.06034
}

Semantic roles & 50–950 ramp

primary

#871B1F

secondary

#44BAB6

accent

#EAE33E

background

#FBF6F5

surface

#F7EBE9

border

#D0C6C5

text

#120604

muted

#817A79

Preview Lab

Preview with #871B1F

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

Preview Lab → · Contrast checker → · Palette generator →