#871A18#871A18

#871A18 is a dark, vivid red. Relative luminance 0.060; OKLCH L 40.8% C 0.145 H 27.2°. Best body text is #FFFFFF at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#871A18
RGB	rgb(135, 26, 24)
HSL	hsl(1, 70%, 31%)
HSV	hsv(1, 82%, 53%)
CMYK	cmyk(0%, 80.7%, 82.2%, 47.1%)
CIE-LAB	lab(29.30, 44.84, 30.60)
CIE-LCH	lch(29.30, 54.29, 34.31°)
OKLab	oklab(40.79% 0.1285 0.0662)
OKLCH	oklch(40.79% 0.145 27.2)
XYZ	xyz(10.5272, 5.9573, 1.4596)
Luminance	0.0596 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#871A18 #188587

analogous

#87184D #871A18 #875118

triadic

#871A18 #18871A #1A1887

tetradic

#871A18 #4D8718 #188587 #511887

square

#871A18 #4D8718 #188587 #511887

split-complementary

#871A18 #188751 #184D87

monochromatic

#1F0606 #53100F #871A18 #BB2421 #DC403D

Accessibility & contrast

On white

9.58

#871A18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#871A18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #871A18

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##871A18	#FFFFFF	#000000	##FFFFFF
##871A18	1.00	9.58	2.19	9.58
#FFFFFF	9.58	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3616

Deuteranopia (green-blind)

#574E13

Tritanopia (blue-blind)

#95001B

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #871a18;
/* rgb */ color: rgb(135, 26, 24);
/* oklch */ color: oklch(40.8% 0.145 27.2);

Tailwind

colors: {
  custom: {
    50: '#b36255',
    500: '#871a18',
    950: '#000000',
  },
}

SCSS

$custom: #871a18;
$custom-light: #b36255;
$custom-dark: #000000;

JSON

{
  "hex": "#871a18",
  "rgb": {
    "r": 135,
    "g": 26,
    "b": 24
  },
  "hsl": {
    "h": 1.081,
    "s": 69.811,
    "l": 31.176
  },
  "oklch": {
    "l": 0.40787,
    "c": 0.14457,
    "h": 27.2
  },
  "luminance": 0.05956
}

Semantic roles & 50–950 ramp

primary

#871A18

secondary

#40B8BB

accent

#E9ED3B

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #871A18

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

Preview Lab → · Contrast checker → · Palette generator →