#871F17#871F17

#871F17 is a dark, vivid red. Relative luminance 0.062; OKLCH L 41.2% C 0.141 H 29.1°. Best body text is #FFFFFF at 9.38:1 contrast (WCAG AA passes).

Color values

HEX	#871F17
RGB	rgb(135, 31, 23)
HSL	hsl(4, 71%, 31%)
HSV	hsv(4, 83%, 53%)
CMYK	cmyk(0%, 77%, 83%, 47.1%)
CIE-LAB	lab(29.90, 43.12, 31.77)
CIE-LCH	lch(29.90, 53.56, 36.38°)
OKLab	oklab(41.23% 0.1229 0.0684)
OKLCH	oklch(41.23% 0.141 29.1)
XYZ	xyz(10.6376, 6.1944, 1.4460)
Luminance	0.0619 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#871F17 #177F87

analogous

#871747 #871F17 #875717

triadic

#871F17 #17871F #1F1787

tetradic

#871F17 #478717 #177F87 #571787

square

#871F17 #478717 #177F87 #571787

split-complementary

#871F17 #178757 #174787

monochromatic

#1E0705 #53130E #871F17 #BB2B20 #DE463B

Accessibility & contrast

On white

9.38

#871F17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#871F17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #871F17

9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##871F17	#FFFFFF	#000000	##FFFFFF
##871F17	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)

#3F3815

Deuteranopia (green-blind)

#594F12

Tritanopia (blue-blind)

#95001E

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #871f17;
/* rgb */ color: rgb(135, 31, 23);
/* oklch */ color: oklch(41.2% 0.141 29.1);

Tailwind

colors: {
  custom: {
    50: '#b26455',
    500: '#871f17',
    950: '#000000',
  },
}

SCSS

$custom: #871f17;
$custom-light: #b26455;
$custom-dark: #000000;

JSON

{
  "hex": "#871f17",
  "rgb": {
    "r": 135,
    "g": 31,
    "b": 23
  },
  "hsl": {
    "h": 4.286,
    "s": 70.886,
    "l": 30.98
  },
  "oklch": {
    "l": 0.41225,
    "c": 0.14066,
    "h": 29.1
  },
  "luminance": 0.06193
}

Semantic roles & 50–950 ramp

primary

#871F17

secondary

#3FB2BB

accent

#E1EE3A

background

#FCF6F5

surface

#F8EBE8

border

#D1C6C4

text

#120603

muted

#817A78

Preview Lab

Preview with #871F17

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

Preview Lab → · Contrast checker → · Palette generator →