#851D2B#851D2B

#851D2B is a dark, vivid red. Relative luminance 0.060; OKLCH L 41.0% C 0.138 H 18.8°. Best body text is #FFFFFF at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#851D2B
RGB	rgb(133, 29, 43)
HSL	hsl(352, 64%, 32%)
HSV	hsv(352, 78%, 52%)
CMYK	cmyk(0%, 78.2%, 67.7%, 47.8%)
CIE-LAB	lab(29.52, 44.10, 18.78)
CIE-LCH	lch(29.52, 47.93, 23.07°)
OKLab	oklab(40.96% 0.1308 0.0446)
OKLCH	oklch(40.96% 0.138 18.8)
XYZ	xyz(10.5494, 6.0413, 2.8956)
Luminance	0.0604 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#851D2B #1D8577

analogous

#851D5F #851D2B #85431D

triadic

#851D2B #2B851D #1D2B85

tetradic

#851D2B #5F851D #1D8577 #431D85

square

#851D2B #5F851D #1D8577 #431D85

split-complementary

#851D2B #1D8543 #1D5F85

monochromatic

#21070B #53121B #851D2B #B7283B #D74659

Accessibility & contrast

On white

9.51

#851D2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#851D2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #851D2B

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##851D2B	#FFFFFF	#000000	##FFFFFF
##851D2B	1.00	9.51	2.21	9.51
#FFFFFF	9.51	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B382B

Deuteranopia (green-blind)

#554D28

Tritanopia (blue-blind)

#920023

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #851d2b;
/* rgb */ color: rgb(133, 29, 43);
/* oklch */ color: oklch(41.0% 0.138 18.8);

Tailwind

colors: {
  custom: {
    50: '#af6364',
    500: '#851d2b',
    950: '#000000',
  },
}

SCSS

$custom: #851d2b;
$custom-light: #af6364;
$custom-dark: #000000;

JSON

{
  "hex": "#851d2b",
  "rgb": {
    "r": 133,
    "g": 29,
    "b": 43
  },
  "hsl": {
    "h": 351.923,
    "s": 64.198,
    "l": 31.765
  },
  "oklch": {
    "l": 0.40957,
    "c": 0.13821,
    "h": 18.8
  },
  "luminance": 0.0604
}

Semantic roles & 50–950 ramp

primary

#851D2B

secondary

#46B8A9

accent

#E7D141

background

#FBF6F5

surface

#F6EBEA

border

#D0C6C6

text

#120605

muted

#817A79

Preview Lab

Preview with #851D2B

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

Preview Lab → · Contrast checker → · Palette generator →