The hex color #4f05dd is a dark color. The web-safe version is Hex
#6600CC. A complementary color is
#B0FA22. The grayscale version is
#666666. A 20% lighter version of the original color is
#8238FF, and Hex
#1C00AA is the 20% darker color. If the color is saturated by 10%, you get
#4D00E9. If the color is desaturated by 10%, the color
#510FD1 is obtained.