The hex color #11538b is a dark color. The web-safe version is Hex
#006699. A complementary color is
#EEAC74. The grayscale version is
#505050. A 20% lighter version of the original color is
#4486BE, and Hex
#002058 is the 20% darker color. If the color is saturated by 10%, you get
#0B5391. If the color is desaturated by 10%, the color
#175385 is obtained.