The hex color #53b5df is a light color. The web-safe version is Hex
#66CCCC. A complementary color is
#AC4A20. The grayscale version is
#A2A2A2. A 20% lighter version of the original color is
#86E8FF, and Hex
#2082AC is the 20% darker color. If the color is saturated by 10%, you get
#4BB7E5. If the color is desaturated by 10%, the color
#5BB3D9 is obtained.