The hex color #0f407c is a dark color. The web-safe version is Hex
#003366. A complementary color is
#F0BF83. The grayscale version is
#444444. A 20% lighter version of the original color is
#4273AF, and Hex
#000D49 is the 20% darker color. If the color is saturated by 10%, you get
#0A4082. If the color is desaturated by 10%, the color
#144076 is obtained.