The hex color #733d1c is a dark color. The web-safe version is Hex
#663333. A complementary color is
#8CC2E3. The grayscale version is
#444444. A 20% lighter version of the original color is
#A6704F, and Hex
#400A00 is the 20% darker color. If the color is saturated by 10%, you get
#783C18. If the color is desaturated by 10%, the color
#6E3E20 is obtained.