The hex color #1e3af6 is a dark color. The web-safe version is Hex
#3333FF. A complementary color is
#E1C509. The grayscale version is
#6F6F6F. A 20% lighter version of the original color is
#516DFF, and Hex
#0007C3 is the 20% darker color. If the color is saturated by 10%, you get
#1635FF. If the color is desaturated by 10%, the color
#263FE9 is obtained.