The hex color #4DBDF0 is a light color. The web-safe version is Hex
#66CCFF. A complementary color is
#B2420F. The grayscale version is
#A9A9A9. A 20% lighter version of the original color is
#80F0FF, and Hex
#1A8ABD is the 20% darker color. If the color is saturated by 10%, you get
#44BFF7. If the color is desaturated by 10%, the color
#56BBE9 is obtained.