The hex color #1d68ce is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#E29731. The grayscale version is
#717171. A 20% lighter version of the original color is
#509BFF, and Hex
#00359B is the 20% darker color. If the color is saturated by 10%, you get
#1567D7. If the color is desaturated by 10%, the color
#2569C5 is obtained.