The hex color #3b8aa7 is a dark color. The web-safe version is Hex
#339999. A complementary color is
#C47558. The grayscale version is
#797979. A 20% lighter version of the original color is
#6EBDDA, and Hex
#085774 is the 20% darker color. If the color is saturated by 10%, you get
#358CAC. If the color is desaturated by 10%, the color
#4188A2 is obtained.