#851C18#851C18

#851C18 is a dark, vivid red. Relative luminance 0.059; OKLCH L 40.6% C 0.141 H 27.8°. Best body text is #FFFFFF at 9.65:1 contrast (WCAG AA passes).

Color values

HEX	#851C18
RGB	rgb(133, 28, 24)
HSL	hsl(2, 69%, 31%)
HSV	hsv(2, 82%, 52%)
CMYK	cmyk(0%, 78.9%, 82%, 47.8%)
CIE-LAB	lab(29.12, 43.55, 30.28)
CIE-LCH	lch(29.12, 53.04, 34.81°)
OKLab	oklab(40.58% 0.1247 0.0656)
OKLCH	oklch(40.58% 0.141 27.8)
XYZ	xyz(10.2542, 5.8846, 1.4599)
Luminance	0.0588 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#851C18 #188185

analogous

#85184A #851C18 #855218

triadic

#851C18 #18851C #1C1885

tetradic

#851C18 #4A8518 #188185 #521885

square

#851C18 #4A8518 #188185 #521885

split-complementary

#851C18 #188552 #184A85

monochromatic

#1D0605 #51110F #851C18 #B92721 #DC423C

Accessibility & contrast

On white

9.65

#851C18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#851C18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #851C18

9.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##851C18	#FFFFFF	#000000	##FFFFFF
##851C18	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)

#3D3616

Deuteranopia (green-blind)

#564D13

Tritanopia (blue-blind)

#93001C

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #851c18;
/* rgb */ color: rgb(133, 28, 24);
/* oklch */ color: oklch(40.6% 0.141 27.8);

Tailwind

colors: {
  custom: {
    50: '#b16255',
    500: '#851c18',
    950: '#000000',
  },
}

SCSS

$custom: #851c18;
$custom-light: #b16255;
$custom-dark: #000000;

JSON

{
  "hex": "#851c18",
  "rgb": {
    "r": 133,
    "g": 28,
    "b": 24
  },
  "hsl": {
    "h": 2.202,
    "s": 69.427,
    "l": 30.784
  },
  "oklch": {
    "l": 0.40575,
    "c": 0.14093,
    "h": 27.8
  },
  "luminance": 0.05883
}

Semantic roles & 50–950 ramp

primary

#851C18

secondary

#40B4B9

accent

#E6EC3C

background

#FBF6F5

surface

#F7EBE9

border

#D0C6C5

text

#120603

muted

#817A78

Preview Lab

Preview with #851C18

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

Preview Lab → · Contrast checker → · Palette generator →