The hex color #2f33ff is a dark color. The web-safe version is Hex
#3333FF. A complementary color is
#D0CC00. The grayscale version is
#767676. A 20% lighter version of the original color is
#6266FF, and Hex
#0000CC is the 20% darker color. If the color is saturated by 10%, you get
#282CFF. If the color is desaturated by 10%, the color
#363AF1 is obtained.