The hex color #3bb7d5 is a light color. The web-safe version is Hex
#33CCCC. A complementary color is
#C4482A. The grayscale version is
#989898. A 20% lighter version of the original color is
#6EEAFF, and Hex
#0884A2 is the 20% darker color. If the color is saturated by 10%, you get
#32BADB. If the color is desaturated by 10%, the color
#44B4CF is obtained.