The hex color #2e3da3 is a dark color. The web-safe version is Hex
#333399. A complementary color is
#D1C25C. The grayscale version is
#5A5A5A. A 20% lighter version of the original color is
#6170D6, and Hex
#000A70 is the 20% darker color. If the color is saturated by 10%, you get
#2A3AAA. If the color is desaturated by 10%, the color
#32409C is obtained.