The hex color #5575c0 is a dark color. The web-safe version is Hex
#6666CC. A complementary color is
#AA8A3F. The grayscale version is
#838383. A 20% lighter version of the original color is
#88A8F3, and Hex
#22428D is the 20% darker color. If the color is saturated by 10%, you get
#5074C6. If the color is desaturated by 10%, the color
#5A76BA is obtained.