The hex color #1f3ec2 is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#E0C13D. The grayscale version is
#606060. A 20% lighter version of the original color is
#5271F5, and Hex
#000B8F is the 20% darker color. If the color is saturated by 10%, you get
#193BCC. If the color is desaturated by 10%, the color
#2541B8 is obtained.