#851E17#851E17

#851E17 is a dark, vivid red. Relative luminance 0.060; OKLCH L 40.7% C 0.139 H 28.8°. Best body text is #FFFFFF at 9.57:1 contrast (WCAG AA passes).

Color values

HEX	#851E17
RGB	rgb(133, 30, 23)
HSL	hsl(4, 71%, 31%)
HSV	hsv(4, 83%, 52%)
CMYK	cmyk(0%, 77.4%, 82.7%, 47.8%)
CIE-LAB	lab(29.36, 42.82, 31.10)
CIE-LCH	lch(29.36, 52.92, 35.99°)
OKLab	oklab(40.75% 0.1222 0.0671)
OKLCH	oklch(40.75% 0.139 28.8)
XYZ	xyz(10.2930, 5.9786, 1.4225)
Luminance	0.0598 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#851E17 #177E85

analogous

#851747 #851E17 #855517

triadic

#851E17 #17851E #1E1785

tetradic

#851E17 #478517 #177E85 #551785

square

#851E17 #478517 #177E85 #551785

split-complementary

#851E17 #178555 #174785

monochromatic

#1D0605 #51120E #851E17 #B92A20 #DD443A

Accessibility & contrast

On white

9.57

#851E17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#851E17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #851E17

9.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##851E17	#FFFFFF	#000000	##FFFFFF
##851E17	1.00	9.57	2.20	9.57
#FFFFFF	9.57	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3715

Deuteranopia (green-blind)

#574D12

Tritanopia (blue-blind)

#93001E

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #851e17;
/* rgb */ color: rgb(133, 30, 23);
/* oklch */ color: oklch(40.7% 0.139 28.8);

Tailwind

colors: {
  custom: {
    50: '#b16355',
    500: '#851e17',
    950: '#000000',
  },
}

SCSS

$custom: #851e17;
$custom-light: #b16355;
$custom-dark: #000000;

JSON

{
  "hex": "#851e17",
  "rgb": {
    "r": 133,
    "g": 30,
    "b": 23
  },
  "hsl": {
    "h": 3.818,
    "s": 70.513,
    "l": 30.588
  },
  "oklch": {
    "l": 0.40749,
    "c": 0.13941,
    "h": 28.8
  },
  "luminance": 0.05977
}

Semantic roles & 50–950 ramp

primary

#851E17

secondary

#3FB1B9

accent

#E2ED3B

background

#FBF6F5

surface

#F7EBE8

border

#D0C6C4

text

#120603

muted

#817A78

Preview Lab

Preview with #851E17

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

Preview Lab → · Contrast checker → · Palette generator →