#871A1F#871A1F

#871A1F is a dark, vivid red. Relative luminance 0.060; OKLCH L 40.9% C 0.144 H 24.3°. Best body text is #FFFFFF at 9.56:1 contrast (WCAG AA passes).

Color values

HEX	#871A1F
RGB	rgb(135, 26, 31)
HSL	hsl(357, 68%, 32%)
HSV	hsv(357, 81%, 53%)
CMYK	cmyk(0%, 80.7%, 77%, 47.1%)
CIE-LAB	lab(29.39, 45.11, 26.44)
CIE-LCH	lch(29.39, 52.28, 30.37°)
OKLab	oklab(40.88% 0.131 0.0592)
OKLCH	oklch(40.88% 0.144 24.3)
XYZ	xyz(10.6096, 5.9903, 1.8937)
Luminance	0.0599 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#871A1F #1A8782

analogous

#871A56 #871A1F #874C1A

triadic

#871A1F #1F871A #1A1F87

tetradic

#871A1F #56871A #1A8782 #4C1A87

square

#871A1F #56871A #1A8782 #4C1A87

split-complementary

#871A1F #1A874C #1A5687

monochromatic

#200607 #541013 #871A1F #BA242B #DA4148

Accessibility & contrast

On white

9.56

#871A1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#871A1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #871A1F

9.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##871A1F	#FFFFFF	#000000	##FFFFFF
##871A1F	1.00	9.56	2.20	9.56
#FFFFFF	9.56	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C361E

Deuteranopia (green-blind)

#574E1B

Tritanopia (blue-blind)

#95001D

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #871a1f;
/* rgb */ color: rgb(135, 26, 31);
/* oklch */ color: oklch(40.9% 0.144 24.3);

Tailwind

colors: {
  custom: {
    50: '#b2625b',
    500: '#871a1f',
    950: '#000000',
  },
}

SCSS

$custom: #871a1f;
$custom-light: #b2625b;
$custom-dark: #000000;

JSON

{
  "hex": "#871a1f",
  "rgb": {
    "r": 135,
    "g": 26,
    "b": 31
  },
  "hsl": {
    "h": 357.248,
    "s": 67.702,
    "l": 31.569
  },
  "oklch": {
    "l": 0.40875,
    "c": 0.14373,
    "h": 24.3
  },
  "luminance": 0.05989
}

Semantic roles & 50–950 ramp

primary

#871A1F

secondary

#42BAB5

accent

#EBE33D

background

#FBF6F5

surface

#F7EBE9

border

#D0C6C5

text

#120604

muted

#817A79

Preview Lab

Preview with #871A1F

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

Preview Lab → · Contrast checker → · Palette generator →