The hex color #1e3baf is a dark color. The web-safe version is Hex
#333399. A complementary color is
#E1C450. The grayscale version is
#585858. A 20% lighter version of the original color is
#516EE2, and Hex
#00087C is the 20% darker color. If the color is saturated by 10%, you get
#1838B8. If the color is desaturated by 10%, the color
#243EA6 is obtained.