The hex color #3da7bb is a light color. The web-safe version is Hex
#3399CC. A complementary color is
#C25844. The grayscale version is
#8A8A8A. A 20% lighter version of the original color is
#70DAEE, and Hex
#0A7488 is the 20% darker color. If the color is saturated by 10%, you get
#35AAC0. If the color is desaturated by 10%, the color
#45A4B6 is obtained.