The hex color #3db5d0 is a light color. The web-safe version is Hex
#33CCCC. A complementary color is
#C24A2F. The grayscale version is
#969696. A 20% lighter version of the original color is
#70E8FF, and Hex
#0A829D is the 20% darker color. If the color is saturated by 10%, you get
#34B8D6. If the color is desaturated by 10%, the color
#46B2CA is obtained.