#851C17#851C17

#851C17 is a dark, vivid red. Relative luminance 0.059; OKLCH L 40.6% C 0.141 H 28.1°. Best body text is #FFFFFF at 9.65:1 contrast (WCAG AA passes).

Color values

HEX	#851C17
RGB	rgb(133, 28, 23)
HSL	hsl(3, 71%, 31%)
HSV	hsv(3, 83%, 52%)
CMYK	cmyk(0%, 78.9%, 82.7%, 47.8%)
CIE-LAB	lab(29.11, 43.51, 30.85)
CIE-LCH	lch(29.11, 53.34, 35.34°)
OKLab	oklab(40.56% 0.1244 0.0665)
OKLCH	oklch(40.56% 0.141 28.1)
XYZ	xyz(10.2440, 5.8805, 1.4061)
Luminance	0.0588 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#851C17 #178085

analogous

#851749 #851C17 #855317

triadic

#851C17 #17851C #1C1785

tetradic

#851C17 #498517 #178085 #531785

square

#851C17 #498517 #178085 #531785

split-complementary

#851C17 #178553 #174985

monochromatic

#1D0605 #51110E #851C17 #B92720 #DD413A

Accessibility & contrast

On white

9.65

#851C17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#851C17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #851C17

9.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##851C17	#FFFFFF	#000000	##FFFFFF
##851C17	1.00	9.65	2.18	9.65
#FFFFFF	9.65	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3615

Deuteranopia (green-blind)

#574D12

Tritanopia (blue-blind)

#93001C

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #851c17;
/* rgb */ color: rgb(133, 28, 23);
/* oklch */ color: oklch(40.6% 0.141 28.1);

Tailwind

colors: {
  custom: {
    50: '#b16255',
    500: '#851c17',
    950: '#000000',
  },
}

SCSS

$custom: #851c17;
$custom-light: #b16255;
$custom-dark: #000000;

JSON

{
  "hex": "#851c17",
  "rgb": {
    "r": 133,
    "g": 28,
    "b": 23
  },
  "hsl": {
    "h": 2.727,
    "s": 70.513,
    "l": 30.588
  },
  "oklch": {
    "l": 0.40564,
    "c": 0.14107,
    "h": 28.1
  },
  "luminance": 0.05879
}

Semantic roles & 50–950 ramp

primary

#851C17

secondary

#3FB3B9

accent

#E5ED3B

background

#FBF6F4

surface

#F7EBE8

border

#D0C6C4

text

#120603

muted

#817A78

Preview Lab

Preview with #851C17

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

Preview Lab → · Contrast checker → · Palette generator →