The hex color #1b6c94 is a dark color. The web-safe version is Hex
#336699. A complementary color is
#E4936B. The grayscale version is
#5E5E5E. A 20% lighter version of the original color is
#4E9FC7, and Hex
#003961 is the 20% darker color. If the color is saturated by 10%, you get
#146D99. If the color is desaturated by 10%, the color
#226B8F is obtained.