#871D1B#871D1B

#871D1B is a dark, vivid red. Relative luminance 0.061; OKLCH L 41.1% C 0.142 H 26.9°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#871D1B
RGB	rgb(135, 29, 27)
HSL	hsl(1, 67%, 32%)
HSV	hsv(1, 80%, 53%)
CMYK	cmyk(0%, 78.5%, 80%, 47.1%)
CIE-LAB	lab(29.69, 43.96, 29.22)
CIE-LCH	lch(29.69, 52.79, 33.61°)
OKLab	oklab(41.08% 0.1264 0.0641)
OKLCH	oklch(41.08% 0.142 26.9)
XYZ	xyz(10.6301, 6.1104, 1.6564)
Luminance	0.0611 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#871D1B #1B8587

analogous

#871B4F #871D1B #87531B

triadic

#871D1B #1B871D #1D1B87

tetradic

#871D1B #4F871B #1B8587 #531B87

square

#871D1B #4F871B #1B8587 #531B87

split-complementary

#871D1B #1B8753 #1B4F87

monochromatic

#210707 #541211 #871D1B #BA2825 #D94643

Accessibility & contrast

On white

9.45

#871D1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#871D1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #871D1B

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##871D1B	#FFFFFF	#000000	##FFFFFF
##871D1B	1.00	9.45	2.22	9.45
#FFFFFF	9.45	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3719

Deuteranopia (green-blind)

#584E16

Tritanopia (blue-blind)

#95001E

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #871d1b;
/* rgb */ color: rgb(135, 29, 27);
/* oklch */ color: oklch(41.1% 0.142 26.9);

Tailwind

colors: {
  custom: {
    50: '#b26358',
    500: '#871d1b',
    950: '#000000',
  },
}

SCSS

$custom: #871d1b;
$custom-light: #b26358;
$custom-dark: #000000;

JSON

{
  "hex": "#871d1b",
  "rgb": {
    "r": 135,
    "g": 29,
    "b": 27
  },
  "hsl": {
    "h": 1.111,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.41083,
    "c": 0.14177,
    "h": 26.9
  },
  "luminance": 0.06109
}

Semantic roles & 50–950 ramp

primary

#871D1B

secondary

#44B8BA

accent

#E6EA3E

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#120603

muted

#817A78

Preview Lab

Preview with #871D1B

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

Preview Lab → · Contrast checker → · Palette generator →