The hex color #1e40fe is a dark color. The web-safe version is Hex
#3333FF. A complementary color is
#E1BF01. The grayscale version is
#747474. A 20% lighter version of the original color is
#5173FF, and Hex
#000DCB is the 20% darker color. If the color is saturated by 10%, you get
#153BFF. If the color is desaturated by 10%, the color
#2745F0 is obtained.