The hex color #4f30e5 is a dark color. The web-safe version is Hex
#6633CC. A complementary color is
#B0CF1A. The grayscale version is
#777777. A 20% lighter version of the original color is
#8263FF, and Hex
#1C00B2 is the 20% darker color. If the color is saturated by 10%, you get
#4B29F0. If the color is desaturated by 10%, the color
#5337DA is obtained.