The hex color #2a7af3 is a dark color. The web-safe version is Hex
#3366FF. A complementary color is
#D5850C. The grayscale version is
#888888. A 20% lighter version of the original color is
#5DADFF, and Hex
#0047C0 is the 20% darker color. If the color is saturated by 10%, you get
#2179FE. If the color is desaturated by 10%, the color
#337BE8 is obtained.