The hex color #0a9af3 is a dark color. The web-safe version is Hex
#0099FF. A complementary color is
#F5650C. The grayscale version is
#888888. A 20% lighter version of the original color is
#3DCDFF, and Hex
#0067C0 is the 20% darker color. If the color is saturated by 10%, you get
#009CFE. If the color is desaturated by 10%, the color
#1798E8 is obtained.