#871F2B#871F2B

#871F2B is a dark, vivid red. Relative luminance 0.063; OKLCH L 41.5% C 0.138 H 19.7°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#871F2B
RGB	rgb(135, 31, 43)
HSL	hsl(353, 63%, 33%)
HSV	hsv(353, 77%, 53%)
CMYK	cmyk(0%, 77%, 68.1%, 47.1%)
CIE-LAB	lab(30.17, 44.04, 19.69)
CIE-LCH	lch(30.17, 48.24, 24.10°)
OKLab	oklab(41.52% 0.1303 0.0466)
OKLCH	oklch(41.52% 0.138 19.7)
XYZ	xyz(10.9189, 6.3069, 2.9275)
Luminance	0.0630 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#871F2B #1F877B

analogous

#871F5F #871F2B #87471F

triadic

#871F2B #2B871F #1F2B87

tetradic

#871F2B #5F871F #1F877B #471F87

square

#871F2B #5F871F #1F877B #471F87

split-complementary

#871F2B #1F8747 #1F5F87

monochromatic

#23080B #55141B #871F2B #B92A3B #D64B5B

Accessibility & contrast

On white

9.29

#871F2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#871F2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #871F2B

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##871F2B	#FFFFFF	#000000	##FFFFFF
##871F2B	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)

#3D392B

Deuteranopia (green-blind)

#574F28

Tritanopia (blue-blind)

#950024

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #871f2b;
/* rgb */ color: rgb(135, 31, 43);
/* oklch */ color: oklch(41.5% 0.138 19.7);

Tailwind

colors: {
  custom: {
    50: '#b16464',
    500: '#871f2b',
    950: '#000000',
  },
}

SCSS

$custom: #871f2b;
$custom-light: #b16464;
$custom-dark: #000000;

JSON

{
  "hex": "#871f2b",
  "rgb": {
    "r": 135,
    "g": 31,
    "b": 43
  },
  "hsl": {
    "h": 353.077,
    "s": 62.651,
    "l": 32.549
  },
  "oklch": {
    "l": 0.41519,
    "c": 0.13841,
    "h": 19.7
  },
  "luminance": 0.06305
}

Semantic roles & 50–950 ramp

primary

#871F2B

secondary

#4AB8AB

accent

#E6D342

background

#FBF6F5

surface

#F6EBEA

border

#D0C6C6

text

#120605

muted

#817A79

Preview Lab

Preview with #871F2B

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

Preview Lab → · Contrast checker → · Palette generator →