The hex color #1e4da4 is a dark color. The web-safe version is Hex
#336699. A complementary color is
#E1B25B. The grayscale version is
#5A5A5A. A 20% lighter version of the original color is
#5180D7, and Hex
#001A71 is the 20% darker color. If the color is saturated by 10%, you get
#184CAB. If the color is desaturated by 10%, the color
#244E9D is obtained.