The hex color #0aa3da is a dark color. The web-safe version is Hex
#0099CC. A complementary color is
#F55C25. The grayscale version is
#828282. A 20% lighter version of the original color is
#3DD6FF, and Hex
#0070A7 is the 20% darker color. If the color is saturated by 10%, you get
#00A6E3. If the color is desaturated by 10%, the color
#16A0D1 is obtained.