#851723#851723

#851723 is a dark, vivid red. Relative luminance 0.057; OKLCH L 40.3% C 0.144 H 21.5°. Best body text is #FFFFFF at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#851723
RGB	rgb(133, 23, 35)
HSL	hsl(353, 71%, 31%)
HSV	hsv(353, 83%, 52%)
CMYK	cmyk(0%, 82.7%, 73.7%, 47.8%)
CIE-LAB	lab(28.70, 45.58, 22.99)
CIE-LCH	lch(28.70, 51.05, 26.77°)
OKLab	oklab(40.31% 0.1337 0.0527)
OKLCH	oklch(40.31% 0.144 21.5)
XYZ	xyz(10.2838, 5.7223, 2.1528)
Luminance	0.0572 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#851723 #178579

analogous

#85175A #851723 #854217

triadic

#851723 #238517 #172385

tetradic

#851723 #5A8517 #178579 #421785

square

#851723 #5A8517 #178579 #421785

split-complementary

#851723 #178542 #175A85

monochromatic

#1D0508 #510E15 #851723 #B92031 #DD3A4B

Accessibility & contrast

On white

9.79

#851723 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#851723 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #851723

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##851723	#FFFFFF	#000000	##FFFFFF
##851723	1.00	9.79	2.14	9.79
#FFFFFF	9.79	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393522

Deuteranopia (green-blind)

#544C1F

Tritanopia (blue-blind)

#93001D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #851723;
/* rgb */ color: rgb(133, 23, 35);
/* oklch */ color: oklch(40.3% 0.144 21.5);

Tailwind

colors: {
  custom: {
    50: '#b0605d',
    500: '#851723',
    950: '#000000',
  },
}

SCSS

$custom: #851723;
$custom-light: #b0605d;
$custom-dark: #000000;

JSON

{
  "hex": "#851723",
  "rgb": {
    "r": 133,
    "g": 23,
    "b": 35
  },
  "hsl": {
    "h": 353.455,
    "s": 70.513,
    "l": 30.588
  },
  "oklch": {
    "l": 0.40309,
    "c": 0.14372,
    "h": 21.5
  },
  "luminance": 0.05721
}

Semantic roles & 50–950 ramp

primary

#851723

secondary

#3FB9AC

accent

#EDDA3B

background

#FBF6F5

surface

#F6EBE9

border

#D0C6C5

text

#120504

muted

#817A79

Preview Lab

Preview with #851723

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

Preview Lab → · Contrast checker → · Palette generator →