The hex color #2e43d2 is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#D1BC2D. The grayscale version is
#6C6C6C. A 20% lighter version of the original color is
#6176FF, and Hex
#00109F is the 20% darker color. If the color is saturated by 10%, you get
#283FDC. If the color is desaturated by 10%, the color
#3447C8 is obtained.