The hex color #856fcc is a light color. The web-safe version is Hex
#9966CC. A complementary color is
#7A9033. The grayscale version is
#959595. A 20% lighter version of the original color is
#B8A2FF, and Hex
#523C99 is the 20% darker color. If the color is saturated by 10%, you get
#836BD1. If the color is desaturated by 10%, the color
#8773C7 is obtained.