The hex color #1c0fa8 is a dark color. The web-safe version is Hex
#330099. A complementary color is
#E3F057. The grayscale version is
#464646. A 20% lighter version of the original color is
#4F42DB, and Hex
#000075 is the 20% darker color. If the color is saturated by 10%, you get
#1809B2. If the color is desaturated by 10%, the color
#20159E is obtained.