The hex color #3db2c0 is a light color. The web-safe version is Hex
#3399CC. A complementary color is
#C24D3F. The grayscale version is
#909090. A 20% lighter version of the original color is
#70E5F3, and Hex
#0A7F8D is the 20% darker color. If the color is saturated by 10%, you get
#35B5C5. If the color is desaturated by 10%, the color
#45AFBB is obtained.