The hex color #1f64fc is a dark color. The web-safe version is Hex
#3366FF. A complementary color is
#E09B03. The grayscale version is
#808080. A 20% lighter version of the original color is
#5297FF, and Hex
#0031C9 is the 20% darker color. If the color is saturated by 10%, you get
#1561FF. If the color is desaturated by 10%, the color
#2967F0 is obtained.