The hex color #1df3f8 is a light color. The web-safe version is Hex
#33FFFF. A complementary color is
#E20C07. The grayscale version is
#ADADAD. A 20% lighter version of the original color is
#50FFFF, and Hex
#00C0C5 is the 20% darker color. If the color is saturated by 10%, you get
#0FFAFF. If the color is desaturated by 10%, the color
#2BECF1 is obtained.