#871B1C#871B1C

#871B1C is a dark, vivid red. Relative luminance 0.060; OKLCH L 40.9% C 0.143 H 25.9°. Best body text is #FFFFFF at 9.53:1 contrast (WCAG AA passes).

Color values

HEX	#871B1C
RGB	rgb(135, 27, 28)
HSL	hsl(359, 67%, 32%)
HSV	hsv(359, 80%, 53%)
CMYK	cmyk(0%, 80%, 79.3%, 47.1%)
CIE-LAB	lab(29.46, 44.67, 28.37)
CIE-LCH	lch(29.46, 52.92, 32.42°)
OKLab	oklab(40.92% 0.1289 0.0626)
OKLCH	oklch(40.92% 0.143 25.9)
XYZ	xyz(10.5945, 6.0203, 1.7026)
Luminance	0.0602 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#871B1C #1B8786

analogous

#871B52 #871B1C #87501B

triadic

#871B1C #1C871B #1B1C87

tetradic

#871B1C #52871B #1B8786 #501B87

square

#871B1C #52871B #1B8786 #501B87

split-complementary

#871B1C #1B8750 #1B5287

monochromatic

#210707 #541111 #871B1C #BA2527 #D94344

Accessibility & contrast

On white

9.53

#871B1C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#871B1C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #871B1C

9.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##871B1C	#FFFFFF	#000000	##FFFFFF
##871B1C	1.00	9.53	2.20	9.53
#FFFFFF	9.53	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D361B

Deuteranopia (green-blind)

#574E18

Tritanopia (blue-blind)

#95001D

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #871b1c;
/* rgb */ color: rgb(135, 27, 28);
/* oklch */ color: oklch(40.9% 0.143 25.9);

Tailwind

colors: {
  custom: {
    50: '#b26258',
    500: '#871b1c',
    950: '#000000',
  },
}

SCSS

$custom: #871b1c;
$custom-light: #b26258;
$custom-dark: #000000;

JSON

{
  "hex": "#871b1c",
  "rgb": {
    "r": 135,
    "g": 27,
    "b": 28
  },
  "hsl": {
    "h": 359.444,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.40919,
    "c": 0.14328,
    "h": 25.9
  },
  "luminance": 0.06019
}

Semantic roles & 50–950 ramp

primary

#871B1C

secondary

#44BAB9

accent

#EAE83E

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#120603

muted

#817A78

Preview Lab

Preview with #871B1C

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

Preview Lab → · Contrast checker → · Palette generator →