The hex color #0f378c is a dark color. The web-safe version is Hex
#003399. A complementary color is
#F0C873. The grayscale version is
#464646. A 20% lighter version of the original color is
#426ABF, and Hex
#000459 is the 20% darker color. If the color is saturated by 10%, you get
#0A3693. If the color is desaturated by 10%, the color
#153985 is obtained.