The hex color #1f7cfd is a dark color. The web-safe version is Hex
#3366FF. A complementary color is
#E08302. The grayscale version is
#888888. A 20% lighter version of the original color is
#52AFFF, and Hex
#0049CA is the 20% darker color. If the color is saturated by 10%, you get
#157BFF. If the color is desaturated by 10%, the color
#2A7DF1 is obtained.