The hex color #402dff is a dark color. The web-safe version is Hex
#3333FF. A complementary color is
#BFD200. The grayscale version is
#797979. A 20% lighter version of the original color is
#7360FF, and Hex
#0D00CC is the 20% darker color. If the color is saturated by 10%, you get
#3A25FF. If the color is desaturated by 10%, the color
#4635F2 is obtained.