The hex color #338b8c is a dark color. The web-safe version is Hex
#339999. A complementary color is
#CC7473. The grayscale version is
#6E6E6E. A 20% lighter version of the original color is
#66BEBF, and Hex
#005859 is the 20% darker color. If the color is saturated by 10%, you get
#2D8E8F. If the color is desaturated by 10%, the color
#398889 is obtained.