The hex color #1dcefb is a light color. The web-safe version is Hex
#33CCFF. A complementary color is
#E23104. The grayscale version is
#A2A2A2. A 20% lighter version of the original color is
#50FFFF, and Hex
#009BC8 is the 20% darker color. If the color is saturated by 10%, you get
#10D2FF. If the color is desaturated by 10%, the color
#2ACAF2 is obtained.