The hex color #0f197c is a dark color. The web-safe version is Hex
#000066. A complementary color is
#F0E683. The grayscale version is
#373737. A 20% lighter version of the original color is
#424CAF, and Hex
#000049 is the 20% darker color. If the color is saturated by 10%, you get
#0B1683. If the color is desaturated by 10%, the color
#131C75 is obtained.