The hex color #37aedc is a light color. The web-safe version is Hex
#3399CC. A complementary color is
#C85123. The grayscale version is
#969696. A 20% lighter version of the original color is
#6AE1FF, and Hex
#047BA9 is the 20% darker color. If the color is saturated by 10%, you get
#2EB0E3. If the color is desaturated by 10%, the color
#40ACD5 is obtained.