#871F33#871F33

#871F33 is a dark, vivid red. Relative luminance 0.064; OKLCH L 41.7% C 0.138 H 15.0°. Best body text is #FFFFFF at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#871F33
RGB	rgb(135, 31, 51)
HSL	hsl(348, 63%, 33%)
HSV	hsv(348, 77%, 53%)
CMYK	cmyk(0%, 77%, 62.2%, 47.1%)
CIE-LAB	lab(30.33, 44.55, 14.65)
CIE-LCH	lch(30.33, 46.90, 18.20°)
OKLab	oklab(41.69% 0.1337 0.0359)
OKLCH	oklch(41.69% 0.138 15)
XYZ	xyz(11.0803, 6.3715, 3.7777)
Luminance	0.0637 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#871F33 #1F8773

analogous

#871F67 #871F33 #873F1F

triadic

#871F33 #33871F #1F3387

tetradic

#871F33 #67871F #1F8773 #3F1F87

square

#871F33 #67871F #1F8773 #3F1F87

split-complementary

#871F33 #1F873F #1F6787

monochromatic

#23080D #551420 #871F33 #B92A46 #D64B65

Accessibility & contrast

On white

9.23

#871F33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#871F33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #871F33

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##871F33	#FFFFFF	#000000	##FFFFFF
##871F33	1.00	9.23	2.27	9.23
#FFFFFF	9.23	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3A33

Deuteranopia (green-blind)

#564F30

Tritanopia (blue-blind)

#940027

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #871f33;
/* rgb */ color: rgb(135, 31, 51);
/* oklch */ color: oklch(41.7% 0.138 15.0);

Tailwind

colors: {
  custom: {
    50: '#b0646a',
    500: '#871f33',
    950: '#000000',
  },
}

SCSS

$custom: #871f33;
$custom-light: #b0646a;
$custom-dark: #000000;

JSON

{
  "hex": "#871f33",
  "rgb": {
    "r": 135,
    "g": 31,
    "b": 51
  },
  "hsl": {
    "h": 348.462,
    "s": 62.651,
    "l": 32.549
  },
  "oklch": {
    "l": 0.41686,
    "c": 0.13839,
    "h": 15
  },
  "luminance": 0.0637
}

Semantic roles & 50–950 ramp

primary

#871F33

secondary

#4AB8A3

accent

#E6C642

background

#FBF6F6

surface

#F6EBEB

border

#D0C6C6

text

#120606

muted

#817A7A

Preview Lab

Preview with #871F33

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

Preview Lab → · Contrast checker → · Palette generator →