The hex color #1d10c6 is a dark color. The web-safe version is Hex
#3300CC. A complementary color is
#E2EF39. The grayscale version is
#515151. A 20% lighter version of the original color is
#5043F9, and Hex
#000093 is the 20% darker color. If the color is saturated by 10%, you get
#180AD2. If the color is desaturated by 10%, the color
#2217BA is obtained.