#871B33#871B33

#871B33 is a dark, vivid red. Relative luminance 0.062; OKLCH L 41.3% C 0.142 H 14.0°. Best body text is #FFFFFF at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#871B33
RGB	rgb(135, 27, 51)
HSL	hsl(347, 67%, 32%)
HSV	hsv(347, 80%, 53%)
CMYK	cmyk(0%, 80%, 62.2%, 47.1%)
CIE-LAB	lab(29.85, 45.90, 14.01)
CIE-LCH	lch(29.85, 47.99, 16.98°)
OKLab	oklab(41.33% 0.138 0.0344)
OKLCH	oklch(41.33% 0.142 14)
XYZ	xyz(10.9823, 6.1754, 3.7450)
Luminance	0.0617 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#871B33 #1B876F

analogous

#871B69 #871B33 #87391B

triadic

#871B33 #33871B #1B3387

tetradic

#871B33 #69871B #1B876F #391B87

square

#871B33 #69871B #1B876F #391B87

split-complementary

#871B33 #1B8739 #1B6987

monochromatic

#21070C #541120 #871B33 #BA2546 #D94364

Accessibility & contrast

On white

9.40

#871B33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#871B33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #871B33

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##871B33	#FFFFFF	#000000	##FFFFFF
##871B33	1.00	9.40	2.23	9.40
#FFFFFF	9.40	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3833

Deuteranopia (green-blind)

#554E30

Tritanopia (blue-blind)

#940025

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #871b33;
/* rgb */ color: rgb(135, 27, 51);
/* oklch */ color: oklch(41.3% 0.142 14.0);

Tailwind

colors: {
  custom: {
    50: '#b0636a',
    500: '#871b33',
    950: '#000000',
  },
}

SCSS

$custom: #871b33;
$custom-light: #b0636a;
$custom-dark: #000000;

JSON

{
  "hex": "#871b33",
  "rgb": {
    "r": 135,
    "g": 27,
    "b": 51
  },
  "hsl": {
    "h": 346.667,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.41331,
    "c": 0.14222,
    "h": 14
  },
  "luminance": 0.06174
}

Semantic roles & 50–950 ramp

primary

#871B33

secondary

#44BAA0

accent

#EAC43E

background

#FBF6F6

surface

#F6EBEB

border

#D0C6C6

text

#120606

muted

#817A7A

Preview Lab

Preview with #871B33

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

Preview Lab → · Contrast checker → · Palette generator →