The hex color #09a8c3 is a dark color. The web-safe version is Hex
#0099CC. A complementary color is
#F6573C. The grayscale version is
#7C7C7C. A 20% lighter version of the original color is
#3CDBF6, and Hex
#007590 is the 20% darker color. If the color is saturated by 10%, you get
#00ACCA. If the color is desaturated by 10%, the color
#15A4BC is obtained.