The hex color #1e4c7f is a dark color. The web-safe version is Hex
#333366. A complementary color is
#E1B380. The grayscale version is
#4E4E4E. A 20% lighter version of the original color is
#517FB2, and Hex
#00194C is the 20% darker color. If the color is saturated by 10%, you get
#194C84. If the color is desaturated by 10%, the color
#234C7A is obtained.