The hex color #73291c is a dark color. The web-safe version is Hex
#663333. A complementary color is
#8CD6E3. The grayscale version is
#3D3D3D. A 20% lighter version of the original color is
#A65C4F, and Hex
#400000 is the 20% darker color. If the color is saturated by 10%, you get
#782719. If the color is desaturated by 10%, the color
#6E2B1F is obtained.