The hex color #1dd1e8 is a light color. The web-safe version is Hex
#33CCFF. A complementary color is
#E22E17. The grayscale version is
#9D9D9D. A 20% lighter version of the original color is
#50FFFF, and Hex
#009EB5 is the 20% darker color. If the color is saturated by 10%, you get
#10D6F0. If the color is desaturated by 10%, the color
#2ACCE0 is obtained.