#643238#643238

#643238 is a dark, moderate red. Relative luminance 0.053; OKLCH L 38.4% C 0.072 H 13.5°. Best body text is #FFFFFF at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#643238
RGB	rgb(100, 50, 56)
HSL	hsl(353, 33%, 29%)
HSV	hsv(353, 50%, 39%)
CMYK	cmyk(0%, 50%, 44%, 60.8%)
CIE-LAB	lab(27.51, 23.14, 6.46)
CIE-LCH	lch(27.51, 24.03, 15.61°)
OKLab	oklab(38.4% 0.0701 0.0168)
OKLCH	oklch(38.4% 0.072 13.5)
XYZ	xyz(7.1103, 5.2767, 4.3847)
Luminance	0.0528 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643238 #32645E

analogous

#643251 #643238 #644532

triadic

#643238 #386432 #323864

tetradic

#643238 #516432 #32645E #453264

square

#643238 #516432 #32645E #453264

split-complementary

#643238 #326445 #325164

monochromatic

#140A0B #3B1E21 #643238 #8D464F #B0616A

Accessibility & contrast

On white

10.22

#643238 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#643238 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643238

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643238	#FFFFFF	#000000	##FFFFFF
##643238	1.00	10.22	2.06	10.22
#FFFFFF	10.22	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3B38

Deuteranopia (green-blind)

#484537

Tritanopia (blue-blind)

#6C2C34

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #643238;
/* rgb */ color: rgb(100, 50, 56);
/* oklch */ color: oklch(38.4% 0.072 13.5);

Tailwind

colors: {
  custom: {
    50: '#926b6e',
    500: '#643238',
    950: '#000000',
  },
}

SCSS

$custom: #643238;
$custom-light: #926b6e;
$custom-dark: #000000;

JSON

{
  "hex": "#643238",
  "rgb": {
    "r": 100,
    "g": 50,
    "b": 56
  },
  "hsl": {
    "h": 352.8,
    "s": 33.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.38401,
    "c": 0.07203,
    "h": 13.5
  },
  "luminance": 0.05276
}

Semantic roles & 50–950 ramp

primary

#643238

secondary

#5D958E

accent

#C9BD5E

background

#F9F6F6

surface

#F1EBEB

border

#CBC6C6

text

#0D0707

muted

#7E7A7A

Preview Lab

Preview with #643238

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

Preview Lab → · Contrast checker → · Palette generator →