#851833#851833

#851833 is a dark, vivid red. Relative luminance 0.059; OKLCH L 40.7% C 0.143 H 12.9°. Best body text is #FFFFFF at 9.65:1 contrast (WCAG AA passes).

Color values

HEX	#851833
RGB	rgb(133, 24, 51)
HSL	hsl(345, 69%, 31%)
HSV	hsv(345, 82%, 52%)
CMYK	cmyk(0%, 82%, 61.7%, 47.8%)
CIE-LAB	lab(29.11, 46.22, 12.94)
CIE-LCH	lch(29.11, 48.00, 15.64°)
OKLab	oklab(40.71% 0.1393 0.0319)
OKLCH	oklch(40.71% 0.143 12.9)
XYZ	xyz(10.5981, 5.8804, 3.7083)
Luminance	0.0588 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#851833 #18856A

analogous

#851869 #851833 #853418

triadic

#851833 #338518 #183385

tetradic

#851833 #698518 #18856A #341885

square

#851833 #698518 #18856A #341885

split-complementary

#851833 #188534 #186985

monochromatic

#1D050B #510F1F #851833 #B92147 #DC3C63

Accessibility & contrast

On white

9.65

#851833 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#851833 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #851833

9.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##851833	#FFFFFF	#000000	##FFFFFF
##851833	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)

#373633

Deuteranopia (green-blind)

#534D30

Tritanopia (blue-blind)

#920024

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #851833;
/* rgb */ color: rgb(133, 24, 51);
/* oklch */ color: oklch(40.7% 0.143 12.9);

Tailwind

colors: {
  custom: {
    50: '#af616a',
    500: '#851833',
    950: '#000000',
  },
}

SCSS

$custom: #851833;
$custom-light: #af616a;
$custom-dark: #000000;

JSON

{
  "hex": "#851833",
  "rgb": {
    "r": 133,
    "g": 24,
    "b": 51
  },
  "hsl": {
    "h": 345.138,
    "s": 69.427,
    "l": 30.784
  },
  "oklch": {
    "l": 0.40709,
    "c": 0.14294,
    "h": 12.9
  },
  "luminance": 0.05879
}

Semantic roles & 50–950 ramp

primary

#851833

secondary

#40B99B

accent

#ECC03C

background

#FBF6F6

surface

#F6EBEB

border

#D0C6C6

text

#120606

muted

#817A7A

Preview Lab

Preview with #851833

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

Preview Lab → · Contrast checker → · Palette generator →