The hex color #10277c is a dark color. The web-safe version is Hex
#003366. A complementary color is
#EFD883. The grayscale version is
#3C3C3C. A 20% lighter version of the original color is
#435AAF, and Hex
#000049 is the 20% darker color. If the color is saturated by 10%, you get
#0C2582. If the color is desaturated by 10%, the color
#142976 is obtained.