#643222#643222

#643222 is a dark, moderate red. Relative luminance 0.051; OKLCH L 37.9% C 0.077 H 38.4°. Best body text is #FFFFFF at 10.39:1 contrast (WCAG AA passes).

Color values

HEX	#643222
RGB	rgb(100, 50, 34)
HSL	hsl(15, 49%, 26%)
HSV	hsv(15, 66%, 39%)
CMYK	cmyk(0%, 50%, 66%, 60.8%)
CIE-LAB	lab(27.04, 20.89, 20.17)
CIE-LCH	lch(27.04, 29.04, 44.00°)
OKLab	oklab(37.89% 0.0602 0.0478)
OKLCH	oklch(37.89% 0.077 38.4)
XYZ	xyz(6.6854, 5.1068, 2.1467)
Luminance	0.0511 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643222 #225464

analogous

#642233 #643222 #645322

triadic

#643222 #226432 #322264

tetradic

#643222 #336422 #225464 #532264

square

#643222 #336422 #225464 #532264

split-complementary

#643222 #226453 #223364

monochromatic

#170B08 #361B12 #643222 #924932 #BF6042

Accessibility & contrast

On white

10.39

#643222 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#643222 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643222

10.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643222	#FFFFFF	#000000	##FFFFFF
##643222	1.00	10.39	2.02	10.39
#FFFFFF	10.39	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3920

Deuteranopia (green-blind)

#4B4421

Tritanopia (blue-blind)

#6E292E

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #643222;
/* rgb */ color: rgb(100, 50, 34);
/* oklch */ color: oklch(37.9% 0.077 38.4);

Tailwind

colors: {
  custom: {
    50: '#946b5d',
    500: '#643222',
    950: '#000000',
  },
}

SCSS

$custom: #643222;
$custom-light: #946b5d;
$custom-dark: #000000;

JSON

{
  "hex": "#643222",
  "rgb": {
    "r": 100,
    "g": 50,
    "b": 34
  },
  "hsl": {
    "h": 14.545,
    "s": 49.254,
    "l": 26.275
  },
  "oklch": {
    "l": 0.37887,
    "c": 0.07684,
    "h": 38.4
  },
  "luminance": 0.05106
}

Semantic roles & 50–950 ramp

primary

#643222

secondary

#4A8598

accent

#B7D94F

background

#F9F6F5

surface

#F2EBE9

border

#CCC6C5

text

#0E0604

muted

#7E7A79

Preview Lab

Preview with #643222

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

Preview Lab → · Contrast checker → · Palette generator →