The hex color #3ca8fe is a light color. The web-safe version is Hex
#3399FF. A complementary color is
#C35701. The grayscale version is
#A1A1A1. A 20% lighter version of the original color is
#6FDBFF, and Hex
#0975CB is the 20% darker color. If the color is saturated by 10%, you get
#32A9FF. If the color is desaturated by 10%, the color
#46A7F5 is obtained.