#871F1C#871F1C

#871F1C is a dark, vivid red. Relative luminance 0.062; OKLCH L 41.3% C 0.140 H 27.1°. Best body text is #FFFFFF at 9.36:1 contrast (WCAG AA passes).

Color values

HEX	#871F1C
RGB	rgb(135, 31, 28)
HSL	hsl(2, 66%, 32%)
HSV	hsv(2, 79%, 53%)
CMYK	cmyk(0%, 77%, 79.3%, 47.1%)
CIE-LAB	lab(29.95, 43.30, 28.90)
CIE-LCH	lch(29.95, 52.06, 33.72°)
OKLab	oklab(41.28% 0.1246 0.0638)
OKLCH	oklch(41.28% 0.14 27.1)
XYZ	xyz(10.6925, 6.2164, 1.7353)
Luminance	0.0621 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#871F1C #1C8487

analogous

#871C4F #871F1C #87551C

triadic

#871F1C #1C871F #1F1C87

tetradic

#871F1C #4F871C #1C8487 #551C87

square

#871F1C #4F871C #1C8487 #551C87

split-complementary

#871F1C #1C8755 #1C4F87

monochromatic

#220807 #541311 #871F1C #BA2B27 #D84945

Accessibility & contrast

On white

9.36

#871F1C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#871F1C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #871F1C

9.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##871F1C	#FFFFFF	#000000	##FFFFFF
##871F1C	1.00	9.36	2.24	9.36
#FFFFFF	9.36	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F381A

Deuteranopia (green-blind)

#584F18

Tritanopia (blue-blind)

#950020

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #871f1c;
/* rgb */ color: rgb(135, 31, 28);
/* oklch */ color: oklch(41.3% 0.140 27.1);

Tailwind

colors: {
  custom: {
    50: '#b26459',
    500: '#871f1c',
    950: '#000000',
  },
}

SCSS

$custom: #871f1c;
$custom-light: #b26459;
$custom-dark: #000000;

JSON

{
  "hex": "#871f1c",
  "rgb": {
    "r": 135,
    "g": 31,
    "b": 28
  },
  "hsl": {
    "h": 1.682,
    "s": 65.644,
    "l": 31.961
  },
  "oklch": {
    "l": 0.41283,
    "c": 0.13993,
    "h": 27.1
  },
  "luminance": 0.06215
}

Semantic roles & 50–950 ramp

primary

#871F1C

secondary

#45B7BA

accent

#E4E93F

background

#FBF6F5

surface

#F7EBE9

border

#D0C6C5

text

#120603

muted

#817A78

Preview Lab

Preview with #871F1C

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

Preview Lab → · Contrast checker → · Palette generator →