The hex color #4a429c is a dark color. The web-safe version is Hex
#333399. A complementary color is
#B5BD63. The grayscale version is
#636363. A 20% lighter version of the original color is
#7D75CF, and Hex
#170F69 is the 20% darker color. If the color is saturated by 10%, you get
#483FA2. If the color is desaturated by 10%, the color
#4C4596 is obtained.