The hex color #393f7c is a dark color. The web-safe version is Hex
#333366. A complementary color is
#C6C083. The grayscale version is
#515151. A 20% lighter version of the original color is
#6C72AF, and Hex
#060C49 is the 20% darker color. If the color is saturated by 10%, you get
#373D80. If the color is desaturated by 10%, the color
#3B4178 is obtained.