The hex color #3420cc is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#CBDF33. The grayscale version is
#606060. A 20% lighter version of the original color is
#6753FF, and Hex
#010099 is the 20% darker color. If the color is saturated by 10%, you get
#301AD7. If the color is desaturated by 10%, the color
#3826C1 is obtained.