The hex color #1d88f6 is a dark color. The web-safe version is Hex
#3399FF. A complementary color is
#E27709. The grayscale version is
#898989. A 20% lighter version of the original color is
#50BBFF, and Hex
#0055C3 is the 20% darker color. If the color is saturated by 10%, you get
#1288FF. If the color is desaturated by 10%, the color
#2888EB is obtained.