The hex color #1C5DA2 is a dark color. The web-safe version is Hex
#336699. A complementary color is
#E3A25D. The grayscale version is
#5E5E5E. A 20% lighter version of the original color is
#4F90D5, and Hex
#002A6F is the 20% darker color. If the color is saturated by 10%, you get
#155DA9. If the color is desaturated by 10%, the color
#235D9B is obtained.