The hex color #2E2FC3 is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#D1D03C. The grayscale version is
#606060. A 20% lighter version of the original color is
#6162F6, and Hex
#000090 is the 20% darker color. If the color is saturated by 10%, you get
#292ACD. If the color is desaturated by 10%, the color
#3334B9 is obtained.