The hex color #721860 is a dark color. The web-safe version is Hex
#660066. A complementary color is
#8DE79F. The grayscale version is
#4E4E4E. A 20% lighter version of the original color is
#A54B93, and Hex
#3F002D is the 20% darker color. If the color is saturated by 10%, you get
#761362. If the color is desaturated by 10%, the color
#6E1D5E is obtained.