#871F18#871F18

#871F18 is a dark, vivid red. Relative luminance 0.062; OKLCH L 41.2% C 0.141 H 28.7°. Best body text is #FFFFFF at 9.38:1 contrast (WCAG AA passes).

Color values

HEX	#871F18
RGB	rgb(135, 31, 24)
HSL	hsl(4, 70%, 31%)
HSV	hsv(4, 82%, 53%)
CMYK	cmyk(0%, 77%, 82.2%, 47.1%)
CIE-LAB	lab(29.91, 43.15, 31.21)
CIE-LCH	lch(29.91, 53.26, 35.87°)
OKLab	oklab(41.24% 0.1232 0.0675)
OKLCH	oklch(41.24% 0.141 28.7)
XYZ	xyz(10.6478, 6.1985, 1.4998)
Luminance	0.0620 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#871F18 #188087

analogous

#871848 #871F18 #875618

triadic

#871F18 #18871F #1F1887

tetradic

#871F18 #488718 #188087 #561887

square

#871F18 #488718 #188087 #561887

split-complementary

#871F18 #188756 #184887

monochromatic

#1F0706 #53130F #871F18 #BB2B21 #DC473D

Accessibility & contrast

On white

9.38

#871F18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#871F18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #871F18

9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##871F18	#FFFFFF	#000000	##FFFFFF
##871F18	1.00	9.38	2.24	9.38
#FFFFFF	9.38	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3816

Deuteranopia (green-blind)

#584F13

Tritanopia (blue-blind)

#95001F

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #871f18;
/* rgb */ color: rgb(135, 31, 24);
/* oklch */ color: oklch(41.2% 0.141 28.7);

Tailwind

colors: {
  custom: {
    50: '#b26456',
    500: '#871f18',
    950: '#000000',
  },
}

SCSS

$custom: #871f18;
$custom-light: #b26456;
$custom-dark: #000000;

JSON

{
  "hex": "#871f18",
  "rgb": {
    "r": 135,
    "g": 31,
    "b": 24
  },
  "hsl": {
    "h": 3.784,
    "s": 69.811,
    "l": 31.176
  },
  "oklch": {
    "l": 0.41236,
    "c": 0.14051,
    "h": 28.7
  },
  "luminance": 0.06197
}

Semantic roles & 50–950 ramp

primary

#871F18

secondary

#40B3BB

accent

#E1ED3B

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#120603

muted

#817A78

Preview Lab

Preview with #871F18

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

Preview Lab → · Contrast checker → · Palette generator →