The hex color #1d4ad8 is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#E2B527. The grayscale version is
#6A6A6A. A 20% lighter version of the original color is
#507DFF, and Hex
#0017A5 is the 20% darker color. If the color is saturated by 10%, you get
#1547E3. If the color is desaturated by 10%, the color
#254DCD is obtained.