The hex color #1c87fc is a dark color. The web-safe version is Hex
#3399FF. A complementary color is
#E37803. The grayscale version is
#8A8A8A. A 20% lighter version of the original color is
#4FBAFF, and Hex
#0054C9 is the 20% darker color. If the color is saturated by 10%, you get
#1187FF. If the color is desaturated by 10%, the color
#2787F1 is obtained.