The hex color #1e3a9d is a dark color. The web-safe version is Hex
#333399. A complementary color is
#E1C562. The grayscale version is
#525252. A 20% lighter version of the original color is
#516DD0, and Hex
#00076A is the 20% darker color. If the color is saturated by 10%, you get
#1938A5. If the color is desaturated by 10%, the color
#233C95 is obtained.