The hex color #2df3fd is a light color. The web-safe version is Hex
#33FFFF. A complementary color is
#D20C02. The grayscale version is
#B4B4B4. A 20% lighter version of the original color is
#60FFFF, and Hex
#00C0CA is the 20% darker color. If the color is saturated by 10%, you get
#1FF9FF. If the color is desaturated by 10%, the color
#3BEDF6 is obtained.