The hex color #1f03d2 is a dark color. The web-safe version is Hex
#3300CC. A complementary color is
#E0FC2D. The grayscale version is
#515151. A 20% lighter version of the original color is
#5236FF, and Hex
#00009F is the 20% darker color. If the color is saturated by 10%, you get
#1A00DF. If the color is desaturated by 10%, the color
#240BC5 is obtained.