#871C1F#871C1F

#871C1F is a dark, vivid red. Relative luminance 0.061; OKLCH L 41.0% C 0.142 H 24.9°. Best body text is #FFFFFF at 9.48:1 contrast (WCAG AA passes).

Color values

HEX	#871C1F
RGB	rgb(135, 28, 31)
HSL	hsl(358, 66%, 32%)
HSV	hsv(358, 79%, 53%)
CMYK	cmyk(0%, 79.3%, 77%, 47.1%)
CIE-LAB	lab(29.62, 44.46, 26.70)
CIE-LCH	lch(29.62, 51.86, 30.98°)
OKLab	oklab(41.05% 0.1289 0.0598)
OKLCH	oklch(41.05% 0.142 24.9)
XYZ	xyz(10.6555, 6.0820, 1.9089)
Luminance	0.0608 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#871C1F #1C8784

analogous

#871C55 #871C1F #874F1C

triadic

#871C1F #1F871C #1C1F87

tetradic

#871C1F #55871C #1C8784 #4F1C87

square

#871C1F #55871C #1C8784 #4F1C87

split-complementary

#871C1F #1C874F #1C5587

monochromatic

#220708 #541113 #871C1F #BA272B #D84549

Accessibility & contrast

On white

9.48

#871C1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#871C1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #871C1F

9.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##871C1F	#FFFFFF	#000000	##FFFFFF
##871C1F	1.00	9.48	2.22	9.48
#FFFFFF	9.48	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D371E

Deuteranopia (green-blind)

#574E1B

Tritanopia (blue-blind)

#95001E

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #871c1f;
/* rgb */ color: rgb(135, 28, 31);
/* oklch */ color: oklch(41.0% 0.142 24.9);

Tailwind

colors: {
  custom: {
    50: '#b2635b',
    500: '#871c1f',
    950: '#000000',
  },
}

SCSS

$custom: #871c1f;
$custom-light: #b2635b;
$custom-dark: #000000;

JSON

{
  "hex": "#871c1f",
  "rgb": {
    "r": 135,
    "g": 28,
    "b": 31
  },
  "hsl": {
    "h": 358.318,
    "s": 65.644,
    "l": 31.961
  },
  "oklch": {
    "l": 0.41046,
    "c": 0.1421,
    "h": 24.9
  },
  "luminance": 0.0608
}

Semantic roles & 50–950 ramp

primary

#871C1F

secondary

#45BAB7

accent

#E9E43F

background

#FBF6F5

surface

#F7EBE9

border

#D0C6C5

text

#120604

muted

#817A79

Preview Lab

Preview with #871C1F

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

Preview Lab → · Contrast checker → · Palette generator →