The hex color #2f9cf1 is a light color. The web-safe version is Hex
#3399FF. A complementary color is
#D0630E. The grayscale version is
#949494. A 20% lighter version of the original color is
#62CFFF, and Hex
#0069BE is the 20% darker color. If the color is saturated by 10%, you get
#259DFA. If the color is desaturated by 10%, the color
#399BE8 is obtained.