The hex color #3e4aed is a dark color. The web-safe version is Hex
#3333FF. A complementary color is
#C1B512. The grayscale version is
#7C7C7C. A 20% lighter version of the original color is
#717DFF, and Hex
#0B17BA is the 20% darker color. If the color is saturated by 10%, you get
#3845F8. If the color is desaturated by 10%, the color
#444FE2 is obtained.