The hex color #2f36e5 is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#D0C91A. The grayscale version is
#6E6E6E. A 20% lighter version of the original color is
#6269FF, and Hex
#0003B2 is the 20% darker color. If the color is saturated by 10%, you get
#2930F1. If the color is desaturated by 10%, the color
#353CD9 is obtained.