#851D18#851D18

#851D18 is a dark, vivid red. Relative luminance 0.059; OKLCH L 40.7% C 0.140 H 28.1°. Best body text is #FFFFFF at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#851D18
RGB	rgb(133, 29, 24)
HSL	hsl(3, 69%, 31%)
HSV	hsv(3, 82%, 52%)
CMYK	cmyk(0%, 78.2%, 82%, 47.8%)
CIE-LAB	lab(29.24, 43.20, 30.40)
CIE-LCH	lch(29.24, 52.83, 35.14°)
OKLab	oklab(40.67% 0.1236 0.0659)
OKLCH	oklch(40.67% 0.14 28.1)
XYZ	xyz(10.2783, 5.9329, 1.4679)
Luminance	0.0593 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#851D18 #188085

analogous

#851849 #851D18 #855318

triadic

#851D18 #18851D #1D1885

tetradic

#851D18 #498518 #188085 #531885

square

#851D18 #498518 #188085 #531885

split-complementary

#851D18 #188553 #184985

monochromatic

#1D0605 #51120F #851D18 #B92821 #DC433C

Accessibility & contrast

On white

9.61

#851D18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#851D18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #851D18

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##851D18	#FFFFFF	#000000	##FFFFFF
##851D18	1.00	9.61	2.19	9.61
#FFFFFF	9.61	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3616

Deuteranopia (green-blind)

#574D13

Tritanopia (blue-blind)

#93001D

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #851d18;
/* rgb */ color: rgb(133, 29, 24);
/* oklch */ color: oklch(40.7% 0.140 28.1);

Tailwind

colors: {
  custom: {
    50: '#b16256',
    500: '#851d18',
    950: '#000000',
  },
}

SCSS

$custom: #851d18;
$custom-light: #b16256;
$custom-dark: #000000;

JSON

{
  "hex": "#851d18",
  "rgb": {
    "r": 133,
    "g": 29,
    "b": 24
  },
  "hsl": {
    "h": 2.752,
    "s": 69.427,
    "l": 30.784
  },
  "oklch": {
    "l": 0.40666,
    "c": 0.1401,
    "h": 28.1
  },
  "luminance": 0.05931
}

Semantic roles & 50–950 ramp

primary

#851D18

secondary

#40B3B9

accent

#E4EC3C

background

#FBF6F5

surface

#F7EBE9

border

#D0C6C5

text

#120603

muted

#817A78

Preview Lab

Preview with #851D18

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

Preview Lab → · Contrast checker → · Palette generator →