#673F44#673F44

#673F44 is a dark, muted red. Relative luminance 0.069; OKLCH L 41.6% C 0.056 H 11.7°. Best body text is #FFFFFF at 8.86:1 contrast (WCAG AA passes).

Color values

HEX#673F44
RGBrgb(103, 63, 68)
HSLhsl(353, 24%, 33%)
HSVhsv(353, 39%, 40%)
CMYKcmyk(0%, 38.8%, 34%, 59.6%)
CIE-LABlab(31.48, 18.20, 4.31)
CIE-LCHlch(31.48, 18.70, 13.32°)
OKLaboklab(41.63% 0.0552 0.0114)
OKLCHoklch(41.63% 0.056 11.7)
XYZxyz(8.4147, 6.8565, 6.3480)
Luminance0.0686 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#673F44 #3F6762
analogous
#673F58 #673F44 #674E3F
triadic
#673F44 #44673F #3F4467
tetradic
#673F44 #58673F #3F6762 #4E3F67
square
#673F44 #58673F #3F6762 #4E3F67
split-complementary
#673F44 #3F674E #3F5867
monochromatic
#1B1112 #41282B #673F44 #8D565D #AB767C

Accessibility & contrast

On white

8.86
#673F44 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.37
#673F44 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #673F44
8.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##673F44#FFFFFF#000000##FFFFFF
##673F441.008.862.378.86
#FFFFFF8.861.0021.001.00
#0000002.3721.001.0021.00
##FFFFFF8.861.0021.001.00

Color blindness preview

Protanopia (red-blind)
#464544
Deuteranopia (green-blind)
#504D43
Tritanopia (blue-blind)
#6E3B41
Achromatopsia (no color)
#4A4A4A

Design tokens & code

CSS
--color: #673f44;
/* rgb */ color: rgb(103, 63, 68);
/* oklch */ color: oklch(41.6% 0.056 11.7);
Tailwind
colors: {
  custom: {
    50: '#947477',
    500: '#673f44',
    950: '#000000',
  },
}
SCSS
$custom: #673f44;
$custom-light: #947477;
$custom-dark: #000000;
JSON
{
  "hex": "#673f44",
  "rgb": {
    "r": 103,
    "g": 63,
    "b": 68
  },
  "hsl": {
    "h": 352.5,
    "s": 24.096,
    "l": 32.549
  },
  "oklch": {
    "l": 0.41628,
    "c": 0.05636,
    "h": 11.7
  },
  "luminance": 0.06856
}

Semantic roles & 50–950 ramp

primary
#673F44
secondary
#6C9691
accent
#C1B567
background
#F9F7F7
surface
#F1EDED
border
#CBC8C8
text
#0D0808
muted
#7E7B7B

Preview Lab

Preview with #673F44

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

Preview Lab → · Contrast checker → · Palette generator →

#673F44 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva