#871F2F#871F2F

#871F2F is a dark, vivid red. Relative luminance 0.063; OKLCH L 41.6% C 0.138 H 17.4°. Best body text is #FFFFFF at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#871F2F
RGB	rgb(135, 31, 47)
HSL	hsl(351, 63%, 33%)
HSV	hsv(351, 77%, 53%)
CMYK	cmyk(0%, 77%, 65.2%, 47.1%)
CIE-LAB	lab(30.25, 44.28, 17.18)
CIE-LCH	lch(30.25, 47.50, 21.20°)
OKLab	oklab(41.6% 0.132 0.0414)
OKLCH	oklch(41.6% 0.138 17.4)
XYZ	xyz(10.9959, 6.3377, 3.3331)
Luminance	0.0634 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#871F2F #1F8777

analogous

#871F63 #871F2F #87431F

triadic

#871F2F #2F871F #1F2F87

tetradic

#871F2F #63871F #1F8777 #431F87

square

#871F2F #63871F #1F8777 #431F87

split-complementary

#871F2F #1F8743 #1F6387

monochromatic

#23080C #55141E #871F2F #B92A40 #D64B60

Accessibility & contrast

On white

9.26

#871F2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#871F2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #871F2F

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##871F2F	#FFFFFF	#000000	##FFFFFF
##871F2F	1.00	9.26	2.27	9.26
#FFFFFF	9.26	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C392F

Deuteranopia (green-blind)

#574F2C

Tritanopia (blue-blind)

#940026

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #871f2f;
/* rgb */ color: rgb(135, 31, 47);
/* oklch */ color: oklch(41.6% 0.138 17.4);

Tailwind

colors: {
  custom: {
    50: '#b16467',
    500: '#871f2f',
    950: '#000000',
  },
}

SCSS

$custom: #871f2f;
$custom-light: #b16467;
$custom-dark: #000000;

JSON

{
  "hex": "#871f2f",
  "rgb": {
    "r": 135,
    "g": 31,
    "b": 47
  },
  "hsl": {
    "h": 350.769,
    "s": 62.651,
    "l": 32.549
  },
  "oklch": {
    "l": 0.41599,
    "c": 0.13832,
    "h": 17.4
  },
  "luminance": 0.06336
}

Semantic roles & 50–950 ramp

primary

#871F2F

secondary

#4AB8A7

accent

#E6CD42

background

#FBF6F6

surface

#F6EBEB

border

#D0C6C6

text

#120606

muted

#817A7A

Preview Lab

Preview with #871F2F

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

Preview Lab → · Contrast checker → · Palette generator →