The hex color #166e8f is a dark color. The web-safe version is Hex
#006699. A complementary color is
#E99170. The grayscale version is
#5C5C5C. A 20% lighter version of the original color is
#49A1C2, and Hex
#003B5C is the 20% darker color. If the color is saturated by 10%, you get
#0F7094. If the color is desaturated by 10%, the color
#1D6C8A is obtained.