The hex color #2e9af8 is a light color. The web-safe version is Hex
#3399FF. A complementary color is
#D16507. The grayscale version is
#959595. A 20% lighter version of the original color is
#61CDFF, and Hex
#0067C5 is the 20% darker color. If the color is saturated by 10%, you get
#249AFF. If the color is desaturated by 10%, the color
#389AEE is obtained.