The hex color #13d4fb is a light color. The web-safe version is Hex
#00CCFF. A complementary color is
#EC2B04. The grayscale version is
#A1A1A1. A 20% lighter version of the original color is
#46FFFF, and Hex
#00A1C8 is the 20% darker color. If the color is saturated by 10%, you get
#05D9FF. If the color is desaturated by 10%, the color
#21CFF2 is obtained.