The hex color #1c1d93 is a dark color. The web-safe version is Hex
#333399. A complementary color is
#E3E26C. The grayscale version is
#444444. A 20% lighter version of the original color is
#4F50C6, and Hex
#000060 is the 20% darker color. If the color is saturated by 10%, you get
#18199B. If the color is desaturated by 10%, the color
#20218B is obtained.