#643239#643239

#643239 is a dark, moderate red. Relative luminance 0.053; OKLCH L 38.4% C 0.072 H 12.2°. Best body text is #FFFFFF at 10.21:1 contrast (WCAG AA passes).

Color values

HEX#643239
RGBrgb(100, 50, 57)
HSLhsl(352, 33%, 29%)
HSVhsv(352, 50%, 39%)
CMYKcmyk(0%, 50%, 43%, 60.8%)
CIE-LABlab(27.54, 23.27, 5.84)
CIE-LCHlch(27.54, 23.99, 14.09°)
OKLaboklab(38.43% 0.0705 0.0152)
OKLCHoklch(38.43% 0.072 12.2)
XYZxyz(7.1350, 5.2866, 4.5147)
Luminance0.0529 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#643239 #32645D
analogous
#643252 #643239 #644432
triadic
#643239 #396432 #323964
tetradic
#643239 #526432 #32645D #443264
square
#643239 #526432 #32645D #443264
split-complementary
#643239 #326444 #325264
monochromatic
#140A0C #3B1E22 #643239 #8D4650 #B0616C

Accessibility & contrast

On white

10.21
#643239 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.06
#643239 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643239
10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##643239#FFFFFF#000000##FFFFFF
##6432391.0010.212.0610.21
#FFFFFF10.211.0021.001.00
#0000002.0621.001.0021.00
##FFFFFF10.211.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3C3B39
Deuteranopia (green-blind)
#484538
Tritanopia (blue-blind)
#6C2D35
Achromatopsia (no color)
#414141

Design tokens & code

CSS
--color: #643239;
/* rgb */ color: rgb(100, 50, 57);
/* oklch */ color: oklch(38.4% 0.072 12.2);
Tailwind
colors: {
  custom: {
    50: '#926b6f',
    500: '#643239',
    950: '#000000',
  },
}
SCSS
$custom: #643239;
$custom-light: #926b6f;
$custom-dark: #000000;
JSON
{
  "hex": "#643239",
  "rgb": {
    "r": 100,
    "g": 50,
    "b": 57
  },
  "hsl": {
    "h": 351.6,
    "s": 33.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.3843,
    "c": 0.07211,
    "h": 12.2
  },
  "luminance": 0.05286
}

Semantic roles & 50–950 ramp

primary
#643239
secondary
#5D958D
accent
#C9BA5E
background
#F9F6F6
surface
#F1EBEC
border
#CBC6C7
text
#0D0707
muted
#7E7A7A

Preview Lab

Preview with #643239

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

Preview Lab → · Contrast checker → · Palette generator →

#643239 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva