The hex color #55b0d3 is a light color. The web-safe version is Hex
#6699CC. A complementary color is
#AA4F2C. The grayscale version is
#9D9D9D. A 20% lighter version of the original color is
#88E3FF, and Hex
#227DA0 is the 20% darker color. If the color is saturated by 10%, you get
#4EB2D8. If the color is desaturated by 10%, the color
#5CAECE is obtained.