The hex color #1b44f0 is a dark color. The web-safe version is Hex
#3333FF. A complementary color is
#E4BB0F. The grayscale version is
#707070. A 20% lighter version of the original color is
#4E77FF, and Hex
#0011BD is the 20% darker color. If the color is saturated by 10%, you get
#1340FD. If the color is desaturated by 10%, the color
#2348E3 is obtained.