The hex color #11a8f3 is a light color. The web-safe version is Hex
#0099FF. A complementary color is
#EE570C. The grayscale version is
#8F8F8F. A 20% lighter version of the original color is
#44DBFF, and Hex
#0075C0 is the 20% darker color. If the color is saturated by 10%, you get
#04ABFD. If the color is desaturated by 10%, the color
#1EA5E9 is obtained.