#643122#643122

#643122 is a dark, moderate red. Relative luminance 0.050; OKLCH L 37.7% C 0.078 H 37.2°. Best body text is #FFFFFF at 10.48:1 contrast (WCAG AA passes).

Color values

HEX	#643122
RGB	rgb(100, 49, 34)
HSL	hsl(14, 49%, 26%)
HSV	hsv(14, 66%, 39%)
CMYK	cmyk(0%, 51%, 66%, 60.8%)
CIE-LAB	lab(26.80, 21.49, 19.88)
CIE-LCH	lch(26.80, 29.27, 42.78°)
OKLab	oklab(37.7% 0.062 0.0471)
OKLCH	oklch(37.7% 0.078 37.2)
XYZ	xyz(6.6431, 5.0222, 2.1326)
Luminance	0.0502 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643122 #225564

analogous

#642234 #643122 #645222

triadic

#643122 #226431 #312264

tetradic

#643122 #346422 #225564 #522264

square

#643122 #346422 #225564 #522264

split-complementary

#643122 #226452 #223464

monochromatic

#170B08 #361B12 #643122 #924732 #BF5E42

Accessibility & contrast

On white

10.48

#643122 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#643122 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643122

10.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643122	#FFFFFF	#000000	##FFFFFF
##643122	1.00	10.48	2.00	10.48
#FFFFFF	10.48	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3921

Deuteranopia (green-blind)

#4B4421

Tritanopia (blue-blind)

#6E282D

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #643122;
/* rgb */ color: rgb(100, 49, 34);
/* oklch */ color: oklch(37.7% 0.078 37.2);

Tailwind

colors: {
  custom: {
    50: '#946a5d',
    500: '#643122',
    950: '#000000',
  },
}

SCSS

$custom: #643122;
$custom-light: #946a5d;
$custom-dark: #000000;

JSON

{
  "hex": "#643122",
  "rgb": {
    "r": 100,
    "g": 49,
    "b": 34
  },
  "hsl": {
    "h": 13.636,
    "s": 49.254,
    "l": 26.275
  },
  "oklch": {
    "l": 0.37704,
    "c": 0.07788,
    "h": 37.2
  },
  "luminance": 0.05021
}

Semantic roles & 50–950 ramp

primary

#643122

secondary

#4A8698

accent

#B9D94F

background

#F9F6F5

surface

#F2EBE9

border

#CCC6C5

text

#0E0604

muted

#7E7A79

Preview Lab

Preview with #643122

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

Preview Lab → · Contrast checker → · Palette generator →