#871C1B#871C1B

#871C1B is a dark, vivid red. Relative luminance 0.061; OKLCH L 41.0% C 0.143 H 26.6°. Best body text is #FFFFFF at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#871C1B
RGB	rgb(135, 28, 27)
HSL	hsl(1, 67%, 32%)
HSV	hsv(1, 80%, 53%)
CMYK	cmyk(0%, 79.3%, 80%, 47.1%)
CIE-LAB	lab(29.57, 44.30, 29.09)
CIE-LCH	lch(29.57, 53.00, 33.29°)
OKLab	oklab(40.99% 0.1275 0.0639)
OKLCH	oklch(40.99% 0.143 26.6)
XYZ	xyz(10.6060, 6.0622, 1.6484)
Luminance	0.0606 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#871C1B #1B8687

analogous

#871B50 #871C1B #87521B

triadic

#871C1B #1B871C #1C1B87

tetradic

#871C1B #50871B #1B8687 #521B87

square

#871C1B #50871B #1B8687 #521B87

split-complementary

#871C1B #1B8752 #1B5087

monochromatic

#210707 #541111 #871C1B #BA2725 #D94443

Accessibility & contrast

On white

9.49

#871C1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#871C1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #871C1B

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##871C1B	#FFFFFF	#000000	##FFFFFF
##871C1B	1.00	9.49	2.21	9.49
#FFFFFF	9.49	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D371A

Deuteranopia (green-blind)

#584E16

Tritanopia (blue-blind)

#95001D

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #871c1b;
/* rgb */ color: rgb(135, 28, 27);
/* oklch */ color: oklch(41.0% 0.143 26.6);

Tailwind

colors: {
  custom: {
    50: '#b26258',
    500: '#871c1b',
    950: '#000000',
  },
}

SCSS

$custom: #871c1b;
$custom-light: #b26258;
$custom-dark: #000000;

JSON

{
  "hex": "#871c1b",
  "rgb": {
    "r": 135,
    "g": 28,
    "b": 27
  },
  "hsl": {
    "h": 0.556,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.40994,
    "c": 0.14259,
    "h": 26.6
  },
  "luminance": 0.06061
}

Semantic roles & 50–950 ramp

primary

#871C1B

secondary

#44B9BA

accent

#E8EA3E

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#120603

muted

#817A78

Preview Lab

Preview with #871C1B

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

Preview Lab → · Contrast checker → · Palette generator →