The hex color #0f64a8 is a dark color. The web-safe version is Hex
#006699. A complementary color is
#F09B57. The grayscale version is
#5E5E5E. A 20% lighter version of the original color is
#4297DB, and Hex
#003175 is the 20% darker color. If the color is saturated by 10%, you get
#0765AF. If the color is desaturated by 10%, the color
#1763A1 is obtained.