#871F2A#871F2A

#871F2A is a dark, vivid red. Relative luminance 0.063; OKLCH L 41.5% C 0.138 H 20.2°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#871F2A
RGB	rgb(135, 31, 42)
HSL	hsl(354, 63%, 33%)
HSV	hsv(354, 77%, 53%)
CMYK	cmyk(0%, 77%, 68.9%, 47.1%)
CIE-LAB	lab(30.16, 43.98, 20.32)
CIE-LCH	lch(30.16, 48.45, 24.80°)
OKLab	oklab(41.5% 0.1299 0.0479)
OKLCH	oklch(41.5% 0.138 20.2)
XYZ	xyz(10.9008, 6.2997, 2.8320)
Luminance	0.0630 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#871F2A #1F877C

analogous

#871F5E #871F2A #87481F

triadic

#871F2A #2A871F #1F2A87

tetradic

#871F2A #5E871F #1F877C #481F87

square

#871F2A #5E871F #1F877C #481F87

split-complementary

#871F2A #1F8748 #1F5E87

monochromatic

#23080B #55141B #871F2A #B92A39 #D64B59

Accessibility & contrast

On white

9.29

#871F2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#871F2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #871F2A

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##871F2A	#FFFFFF	#000000	##FFFFFF
##871F2A	1.00	9.29	2.26	9.29
#FFFFFF	9.29	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D392A

Deuteranopia (green-blind)

#574F27

Tritanopia (blue-blind)

#950024

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #871f2a;
/* rgb */ color: rgb(135, 31, 42);
/* oklch */ color: oklch(41.5% 0.138 20.2);

Tailwind

colors: {
  custom: {
    50: '#b16463',
    500: '#871f2a',
    950: '#000000',
  },
}

SCSS

$custom: #871f2a;
$custom-light: #b16463;
$custom-dark: #000000;

JSON

{
  "hex": "#871f2a",
  "rgb": {
    "r": 135,
    "g": 31,
    "b": 42
  },
  "hsl": {
    "h": 353.654,
    "s": 62.651,
    "l": 32.549
  },
  "oklch": {
    "l": 0.415,
    "c": 0.13846,
    "h": 20.2
  },
  "luminance": 0.06298
}

Semantic roles & 50–950 ramp

primary

#871F2A

secondary

#4AB8AD

accent

#E6D442

background

#FBF6F5

surface

#F6EBEA

border

#D0C6C6

text

#120605

muted

#817A79

Preview Lab

Preview with #871F2A

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

Preview Lab → · Contrast checker → · Palette generator →