The hex color #4b48e5 is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#B4B71A. The grayscale version is
#7D7D7D. A 20% lighter version of the original color is
#7E7BFF, and Hex
#1815B2 is the 20% darker color. If the color is saturated by 10%, you get
#4643EF. If the color is desaturated by 10%, the color
#504DDB is obtained.