The hex color #390cff is a dark color. The web-safe version is Hex
#3300FF. A complementary color is
#C6F300. The grayscale version is
#6C6C6C. A 20% lighter version of the original color is
#6C3FFF, and Hex
#0600CC is the 20% darker color. If the color is saturated by 10%, you get
#3402FF. If the color is desaturated by 10%, the color
#3E16F0 is obtained.