#871D31#871D31

#871D31 is a dark, vivid red. Relative luminance 0.063; OKLCH L 41.5% C 0.140 H 15.7°. Best body text is #FFFFFF at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#871D31
RGB	rgb(135, 29, 49)
HSL	hsl(349, 65%, 32%)
HSV	hsv(349, 79%, 53%)
CMYK	cmyk(0%, 78.5%, 63.7%, 47.1%)
CIE-LAB	lab(30.04, 45.11, 15.59)
CIE-LCH	lch(30.04, 47.72, 19.06°)
OKLab	oklab(41.46% 0.1351 0.0379)
OKLCH	oklch(41.46% 0.14 15.7)
XYZ	xyz(10.9866, 6.2530, 3.5336)
Luminance	0.0625 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#871D31 #1D8773

analogous

#871D66 #871D31 #873E1D

triadic

#871D31 #31871D #1D3187

tetradic

#871D31 #66871D #1D8773 #3E1D87

square

#871D31 #66871D #1D8773 #3E1D87

split-complementary

#871D31 #1D873E #1D6687

monochromatic

#22070C #55121F #871D31 #B92843 #D74762

Accessibility & contrast

On white

9.33

#871D31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#871D31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #871D31

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##871D31	#FFFFFF	#000000	##FFFFFF
##871D31	1.00	9.33	2.25	9.33
#FFFFFF	9.33	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3931

Deuteranopia (green-blind)

#564F2E

Tritanopia (blue-blind)

#940026

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #871d31;
/* rgb */ color: rgb(135, 29, 49);
/* oklch */ color: oklch(41.5% 0.140 15.7);

Tailwind

colors: {
  custom: {
    50: '#b06368',
    500: '#871d31',
    950: '#000000',
  },
}

SCSS

$custom: #871d31;
$custom-light: #b06368;
$custom-dark: #000000;

JSON

{
  "hex": "#871d31",
  "rgb": {
    "r": 135,
    "g": 29,
    "b": 49
  },
  "hsl": {
    "h": 348.679,
    "s": 64.634,
    "l": 32.157
  },
  "oklch": {
    "l": 0.41458,
    "c": 0.14026,
    "h": 15.7
  },
  "luminance": 0.06251
}

Semantic roles & 50–950 ramp

primary

#871D31

secondary

#46B9A4

accent

#E8C840

background

#FBF6F6

surface

#F6EBEB

border

#D0C6C6

text

#120606

muted

#817A7A

Preview Lab

Preview with #871D31

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

Preview Lab → · Contrast checker → · Palette generator →