#643223#643223

#643223 is a dark, moderate red. Relative luminance 0.051; OKLCH L 37.9% C 0.076 H 37.5°. Best body text is #FFFFFF at 10.38:1 contrast (WCAG AA passes).

Color values

HEX	#643223
RGB	rgb(100, 50, 35)
HSL	hsl(14, 48%, 26%)
HSV	hsv(14, 65%, 39%)
CMYK	cmyk(0%, 50%, 65%, 60.8%)
CIE-LAB	lab(27.05, 20.97, 19.56)
CIE-LCH	lch(27.05, 28.68, 43.01°)
OKLab	oklab(37.91% 0.0606 0.0465)
OKLCH	oklch(37.91% 0.076 37.5)
XYZ	xyz(6.7000, 5.1126, 2.2238)
Luminance	0.0511 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643223 #235564

analogous

#642335 #643223 #645323

triadic

#643223 #236432 #322364

tetradic

#643223 #356423 #235564 #532364

square

#643223 #356423 #235564 #532364

split-complementary

#643223 #236453 #233564

monochromatic

#170B08 #371B13 #643223 #914933 #BE6044

Accessibility & contrast

On white

10.38

#643223 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#643223 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643223

10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643223	#FFFFFF	#000000	##FFFFFF
##643223	1.00	10.38	2.02	10.38
#FFFFFF	10.38	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3922

Deuteranopia (green-blind)

#4B4422

Tritanopia (blue-blind)

#6E292E

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #643223;
/* rgb */ color: rgb(100, 50, 35);
/* oklch */ color: oklch(37.9% 0.076 37.5);

Tailwind

colors: {
  custom: {
    50: '#946b5e',
    500: '#643223',
    950: '#000000',
  },
}

SCSS

$custom: #643223;
$custom-light: #946b5e;
$custom-dark: #000000;

JSON

{
  "hex": "#643223",
  "rgb": {
    "r": 100,
    "g": 50,
    "b": 35
  },
  "hsl": {
    "h": 13.846,
    "s": 48.148,
    "l": 26.471
  },
  "oklch": {
    "l": 0.37905,
    "c": 0.07641,
    "h": 37.5
  },
  "luminance": 0.05112
}

Semantic roles & 50–950 ramp

primary

#643223

secondary

#4B8698

accent

#B8D850

background

#F9F6F5

surface

#F2EBE9

border

#CCC6C5

text

#0E0604

muted

#7E7A79

Preview Lab

Preview with #643223

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

Preview Lab → · Contrast checker → · Palette generator →