The hex color #4a87a7 is a dark color. The web-safe version is Hex
#339999. A complementary color is
#B57858. The grayscale version is
#7D7D7D. A 20% lighter version of the original color is
#7DBADA, and Hex
#175474 is the 20% darker color. If the color is saturated by 10%, you get
#4588AB. If the color is desaturated by 10%, the color
#4F86A3 is obtained.