The hex color #1e4fe1 is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#E1B01E. The grayscale version is
#6F6F6F. A 20% lighter version of the original color is
#5182FF, and Hex
#001CAE is the 20% darker color. If the color is saturated by 10%, you get
#164CEC. If the color is desaturated by 10%, the color
#2652D6 is obtained.