The hex color #402b8c is a dark color. The web-safe version is Hex
#333399. A complementary color is
#BFD473. The grayscale version is
#525252. A 20% lighter version of the original color is
#735EBF, and Hex
#0D0059 is the 20% darker color. If the color is saturated by 10%, you get
#3E2792. If the color is desaturated by 10%, the color
#422F86 is obtained.