The hex color #2f34e5 is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#D0CB1A. The grayscale version is
#6D6D6D. A 20% lighter version of the original color is
#6267FF, and Hex
#0001B2 is the 20% darker color. If the color is saturated by 10%, you get
#292EF1. If the color is desaturated by 10%, the color
#353AD9 is obtained.