The hex color #2a99e7 is a light color. The web-safe version is Hex
#3399FF. A complementary color is
#D56618. The grayscale version is
#8E8E8E. A 20% lighter version of the original color is
#5DCCFF, and Hex
#0066B4 is the 20% darker color. If the color is saturated by 10%, you get
#209AF0. If the color is desaturated by 10%, the color
#3498DE is obtained.