The hex color #1e3be5 is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#E1C41A. The grayscale version is
#6A6A6A. A 20% lighter version of the original color is
#516EFF, and Hex
#0008B2 is the 20% darker color. If the color is saturated by 10%, you get
#1636F1. If the color is desaturated by 10%, the color
#2640D9 is obtained.