The hex color #5192a5 is a light color. The web-safe version is Hex
#669999. A complementary color is
#AE6D5A. The grayscale version is
#838383. A 20% lighter version of the original color is
#84C5D8, and Hex
#1E5F72 is the 20% darker color. If the color is saturated by 10%, you get
#4C94A8. If the color is desaturated by 10%, the color
#5690A2 is obtained.