The hex color #2f79c0 is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#D0863F. The grayscale version is
#787878. A 20% lighter version of the original color is
#62ACF3, and Hex
#00468D is the 20% darker color. If the color is saturated by 10%, you get
#2879C7. If the color is desaturated by 10%, the color
#3679B9 is obtained.