The hex color #5087a1 is a dark color. The web-safe version is Hex
#669999. A complementary color is
#AF785E. The grayscale version is
#7D7D7D. A 20% lighter version of the original color is
#83BAD4, and Hex
#1D546E is the 20% darker color. If the color is saturated by 10%, you get
#4B88A5. If the color is desaturated by 10%, the color
#55869D is obtained.