The hex color #5390c7 is a light color. The web-safe version is Hex
#6699CC. A complementary color is
#AC6F38. The grayscale version is
#8E8E8E. A 20% lighter version of the original color is
#86C3FA, and Hex
#205D94 is the 20% darker color. If the color is saturated by 10%, you get
#4D90CD. If the color is desaturated by 10%, the color
#5990C1 is obtained.