The hex color #771a4e is a dark color. The web-safe version is Hex
#663366. A complementary color is
#88E5B1. The grayscale version is
#4A4A4A. A 20% lighter version of the original color is
#AA4D81, and Hex
#44001B is the 20% darker color. If the color is saturated by 10%, you get
#7B154E. If the color is desaturated by 10%, the color
#731F4E is obtained.