#871B18#871B18

#871B18 is a dark, vivid red. Relative luminance 0.060; OKLCH L 40.9% C 0.144 H 27.5°. Best body text is #FFFFFF at 9.54:1 contrast (WCAG AA passes).

Color values

HEX	#871B18
RGB	rgb(135, 27, 24)
HSL	hsl(2, 70%, 31%)
HSV	hsv(2, 82%, 53%)
CMYK	cmyk(0%, 80%, 82.2%, 47.1%)
CIE-LAB	lab(29.42, 44.52, 30.72)
CIE-LCH	lch(29.42, 54.09, 34.60°)
OKLab	oklab(40.87% 0.1275 0.0664)
OKLCH	oklch(40.87% 0.144 27.5)
XYZ	xyz(10.5498, 6.0024, 1.4671)
Luminance	0.0600 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#871B18 #188487

analogous

#87184C #871B18 #875218

triadic

#871B18 #18871B #1B1887

tetradic

#871B18 #4C8718 #188487 #521887

square

#871B18 #4C8718 #188487 #521887

split-complementary

#871B18 #188752 #184C87

monochromatic

#1F0606 #53110F #871B18 #BB2521 #DC413D

Accessibility & contrast

On white

9.54

#871B18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#871B18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #871B18

9.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##871B18	#FFFFFF	#000000	##FFFFFF
##871B18	1.00	9.54	2.20	9.54
#FFFFFF	9.54	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3616

Deuteranopia (green-blind)

#574E13

Tritanopia (blue-blind)

#95001C

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #871b18;
/* rgb */ color: rgb(135, 27, 24);
/* oklch */ color: oklch(40.9% 0.144 27.5);

Tailwind

colors: {
  custom: {
    50: '#b26256',
    500: '#871b18',
    950: '#000000',
  },
}

SCSS

$custom: #871b18;
$custom-light: #b26256;
$custom-dark: #000000;

JSON

{
  "hex": "#871b18",
  "rgb": {
    "r": 135,
    "g": 27,
    "b": 24
  },
  "hsl": {
    "h": 1.622,
    "s": 69.811,
    "l": 31.176
  },
  "oklch": {
    "l": 0.40871,
    "c": 0.14379,
    "h": 27.5
  },
  "luminance": 0.06001
}

Semantic roles & 50–950 ramp

primary

#871B18

secondary

#40B7BB

accent

#E8ED3B

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #871B18

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

Preview Lab → · Contrast checker → · Palette generator →