#871B35#871B35

#871B35 is a dark, vivid red. Relative luminance 0.062; OKLCH L 41.4% C 0.142 H 12.8°. Best body text is #FFFFFF at 9.38:1 contrast (WCAG AA passes).

Color values

HEX	#871B35
RGB	rgb(135, 27, 53)
HSL	hsl(346, 67%, 32%)
HSV	hsv(346, 80%, 53%)
CMYK	cmyk(0%, 80%, 60.7%, 47.1%)
CIE-LAB	lab(29.90, 46.04, 12.74)
CIE-LCH	lch(29.90, 47.77, 15.47°)
OKLab	oklab(41.38% 0.1388 0.0315)
OKLCH	oklch(41.38% 0.142 12.8)
XYZ	xyz(11.0273, 6.1934, 3.9823)
Luminance	0.0619 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#871B35 #1B876D

analogous

#871B6B #871B35 #87371B

triadic

#871B35 #35871B #1B3587

tetradic

#871B35 #6B871B #1B876D #371B87

square

#871B35 #6B871B #1B876D #371B87

split-complementary

#871B35 #1B8737 #1B6B87

monochromatic

#21070D #541121 #871B35 #BA2549 #D94367

Accessibility & contrast

On white

9.38

#871B35 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#871B35 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #871B35

9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##871B35	#FFFFFF	#000000	##FFFFFF
##871B35	1.00	9.38	2.24	9.38
#FFFFFF	9.38	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393835

Deuteranopia (green-blind)

#554E32

Tritanopia (blue-blind)

#940026

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #871b35;
/* rgb */ color: rgb(135, 27, 53);
/* oklch */ color: oklch(41.4% 0.142 12.8);

Tailwind

colors: {
  custom: {
    50: '#b0636b',
    500: '#871b35',
    950: '#000000',
  },
}

SCSS

$custom: #871b35;
$custom-light: #b0636b;
$custom-dark: #000000;

JSON

{
  "hex": "#871b35",
  "rgb": {
    "r": 135,
    "g": 27,
    "b": 53
  },
  "hsl": {
    "h": 345.556,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.41378,
    "c": 0.14236,
    "h": 12.8
  },
  "luminance": 0.06192
}

Semantic roles & 50–950 ramp

primary

#871B35

secondary

#44BA9E

accent

#EAC03E

background

#FBF6F6

surface

#F6EBEB

border

#D0C6C6

text

#120606

muted

#817A7A

Preview Lab

Preview with #871B35

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

Preview Lab → · Contrast checker → · Palette generator →