The hex color #864dfc is a dark color. The web-safe version is Hex
#9966FF. A complementary color is
#79B203. The grayscale version is
#9A9A9A. A 20% lighter version of the original color is
#B980FF, and Hex
#531AC9 is the 20% darker color. If the color is saturated by 10%, you get
#8445FF. If the color is desaturated by 10%, the color
#8855F2 is obtained.