The hex color #3bb7d2 is a light color. The web-safe version is Hex
#33CCCC. A complementary color is
#C4482D. The grayscale version is
#979797. A 20% lighter version of the original color is
#6EEAFF, and Hex
#08849F is the 20% darker color. If the color is saturated by 10%, you get
#32BAD8. If the color is desaturated by 10%, the color
#44B4CC is obtained.