The hex color #4CA5E5 is a light color. The web-safe version is Hex
#3399CC. A complementary color is
#B35A1A. The grayscale version is
#9D9D9D. A 20% lighter version of the original color is
#7FD8FF, and Hex
#1972B2 is the 20% darker color. If the color is saturated by 10%, you get
#44A6EC. If the color is desaturated by 10%, the color
#54A4DE is obtained.