#871A1B#871A1B

#871A1B is a dark, vivid red. Relative luminance 0.060; OKLCH L 40.8% C 0.144 H 26.1°. Best body text is #FFFFFF at 9.57:1 contrast (WCAG AA passes).

Color values

HEX	#871A1B
RGB	rgb(135, 26, 27)
HSL	hsl(359, 68%, 32%)
HSV	hsv(359, 81%, 53%)
CMYK	cmyk(0%, 80.7%, 80%, 47.1%)
CIE-LAB	lab(29.34, 44.95, 28.85)
CIE-LCH	lch(29.34, 53.41, 32.69°)
OKLab	oklab(40.82% 0.1295 0.0633)
OKLCH	oklch(40.82% 0.144 26.1)
XYZ	xyz(10.5602, 5.9705, 1.6331)
Luminance	0.0597 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#871A1B #1A8786

analogous

#871A52 #871A1B #87501A

triadic

#871A1B #1B871A #1A1B87

tetradic

#871A1B #52871A #1A8786 #501A87

square

#871A1B #52871A #1A8786 #501A87

split-complementary

#871A1B #1A8750 #1A5287

monochromatic

#200606 #541011 #871A1B #BA2425 #DA4142

Accessibility & contrast

On white

9.57

#871A1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#871A1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #871A1B

9.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##871A1B	#FFFFFF	#000000	##FFFFFF
##871A1B	1.00	9.57	2.19	9.57
#FFFFFF	9.57	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C361A

Deuteranopia (green-blind)

#574E16

Tritanopia (blue-blind)

#95001C

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #871a1b;
/* rgb */ color: rgb(135, 26, 27);
/* oklch */ color: oklch(40.8% 0.144 26.1);

Tailwind

colors: {
  custom: {
    50: '#b26258',
    500: '#871a1b',
    950: '#000000',
  },
}

SCSS

$custom: #871a1b;
$custom-light: #b26258;
$custom-dark: #000000;

JSON

{
  "hex": "#871a1b",
  "rgb": {
    "r": 135,
    "g": 26,
    "b": 27
  },
  "hsl": {
    "h": 359.45,
    "s": 67.702,
    "l": 31.569
  },
  "oklch": {
    "l": 0.40822,
    "c": 0.14419,
    "h": 26.1
  },
  "luminance": 0.05969
}

Semantic roles & 50–950 ramp

primary

#871A1B

secondary

#42BAB9

accent

#EBE93D

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#120603

muted

#817A78

Preview Lab

Preview with #871A1B

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

Preview Lab → · Contrast checker → · Palette generator →