#871D37#871D37

#871D37 is a dark, vivid red. Relative luminance 0.063; OKLCH L 41.6% C 0.141 H 12.1°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#871D37
RGB	rgb(135, 29, 55)
HSL	hsl(345, 65%, 32%)
HSV	hsv(345, 79%, 53%)
CMYK	cmyk(0%, 78.5%, 59.3%, 47.1%)
CIE-LAB	lab(30.17, 45.53, 11.79)
CIE-LCH	lch(30.17, 47.03, 14.52°)
OKLab	oklab(41.6% 0.1376 0.0294)
OKLCH	oklch(41.6% 0.141 12.1)
XYZ	xyz(11.1217, 6.3071, 4.2454)
Luminance	0.0630 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#871D37 #1D876D

analogous

#871D6C #871D37 #87381D

triadic

#871D37 #37871D #1D3787

tetradic

#871D37 #6C871D #1D876D #381D87

square

#871D37 #6C871D #1D876D #381D87

split-complementary

#871D37 #1D8738 #1D6C87

monochromatic

#22070E #551222 #871D37 #B9284C #D7476A

Accessibility & contrast

On white

9.29

#871D37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#871D37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #871D37

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##871D37	#FFFFFF	#000000	##FFFFFF
##871D37	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)

#3A3937

Deuteranopia (green-blind)

#554F34

Tritanopia (blue-blind)

#940028

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #871d37;
/* rgb */ color: rgb(135, 29, 55);
/* oklch */ color: oklch(41.6% 0.141 12.1);

Tailwind

colors: {
  custom: {
    50: '#b0646d',
    500: '#871d37',
    950: '#000000',
  },
}

SCSS

$custom: #871d37;
$custom-light: #b0646d;
$custom-dark: #000000;

JSON

{
  "hex": "#871d37",
  "rgb": {
    "r": 135,
    "g": 29,
    "b": 55
  },
  "hsl": {
    "h": 345.283,
    "s": 64.634,
    "l": 32.157
  },
  "oklch": {
    "l": 0.41599,
    "c": 0.14065,
    "h": 12.1
  },
  "luminance": 0.06305
}

Semantic roles & 50–950 ramp

primary

#871D37

secondary

#46B99D

accent

#E8BF40

background

#FBF6F6

surface

#F6EBEB

border

#D0C6C6

text

#120607

muted

#817A7A

Preview Lab

Preview with #871D37

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

Preview Lab → · Contrast checker → · Palette generator →