The hex color #3a8cbb is a dark color. The web-safe version is Hex
#3399CC. A complementary color is
#C57344. The grayscale version is
#808080. A 20% lighter version of the original color is
#6DBFEE, and Hex
#075988 is the 20% darker color. If the color is saturated by 10%, you get
#338DC1. If the color is desaturated by 10%, the color
#418BB5 is obtained.