The hex color #2f89a7 is a dark color. The web-safe version is Hex
#339999. A complementary color is
#D07658. The grayscale version is
#757575. A 20% lighter version of the original color is
#62BCDA, and Hex
#005674 is the 20% darker color. If the color is saturated by 10%, you get
#288BAC. If the color is desaturated by 10%, the color
#3687A2 is obtained.