The hex color #57a0df is a light color. The web-safe version is Hex
#6699CC. A complementary color is
#A85F20. The grayscale version is
#9D9D9D. A 20% lighter version of the original color is
#8AD3FF, and Hex
#246DAC is the 20% darker color. If the color is saturated by 10%, you get
#50A0E6. If the color is desaturated by 10%, the color
#5EA0D8 is obtained.