#851D23#851D23

#851D23 is a dark, vivid red. Relative luminance 0.060; OKLCH L 40.8% C 0.139 H 23.1°. Best body text is #FFFFFF at 9.56:1 contrast (WCAG AA passes).

Color values

HEX	#851D23
RGB	rgb(133, 29, 35)
HSL	hsl(357, 64%, 32%)
HSV	hsv(357, 78%, 52%)
CMYK	cmyk(0%, 78.2%, 73.7%, 47.8%)
CIE-LAB	lab(29.38, 43.66, 23.80)
CIE-LCH	lch(29.38, 49.73, 28.59°)
OKLab	oklab(40.82% 0.1276 0.0545)
OKLCH	oklch(40.82% 0.139 23.1)
XYZ	xyz(10.4168, 5.9882, 2.1971)
Luminance	0.0599 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#851D23 #1D857F

analogous

#851D57 #851D23 #854B1D

triadic

#851D23 #23851D #1D2385

tetradic

#851D23 #57851D #1D857F #4B1D85

square

#851D23 #57851D #1D857F #4B1D85

split-complementary

#851D23 #1D854B #1D5785

monochromatic

#210709 #531216 #851D23 #B72830 #D7464E

Accessibility & contrast

On white

9.56

#851D23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#851D23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #851D23

9.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##851D23	#FFFFFF	#000000	##FFFFFF
##851D23	1.00	9.56	2.20	9.56
#FFFFFF	9.56	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3722

Deuteranopia (green-blind)

#564D1F

Tritanopia (blue-blind)

#930020

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #851d23;
/* rgb */ color: rgb(133, 29, 35);
/* oklch */ color: oklch(40.8% 0.139 23.1);

Tailwind

colors: {
  custom: {
    50: '#b0635e',
    500: '#851d23',
    950: '#000000',
  },
}

SCSS

$custom: #851d23;
$custom-light: #b0635e;
$custom-dark: #000000;

JSON

{
  "hex": "#851d23",
  "rgb": {
    "r": 133,
    "g": 29,
    "b": 35
  },
  "hsl": {
    "h": 356.538,
    "s": 64.198,
    "l": 31.765
  },
  "oklch": {
    "l": 0.40815,
    "c": 0.13874,
    "h": 23.1
  },
  "luminance": 0.05987
}

Semantic roles & 50–950 ramp

primary

#851D23

secondary

#46B8B1

accent

#E7DE41

background

#FBF6F5

surface

#F6EBE9

border

#D0C6C5

text

#120604

muted

#817A79

Preview Lab

Preview with #851D23

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

Preview Lab → · Contrast checker → · Palette generator →