The hex color #4328c3 is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#BCD73C. The grayscale version is
#656565. A 20% lighter version of the original color is
#765BF6, and Hex
#100090 is the 20% darker color. If the color is saturated by 10%, you get
#4022CC. If the color is desaturated by 10%, the color
#462EBA is obtained.