The hex color #1d44e7 is a dark color. The web-safe version is Hex
#3333FF. A complementary color is
#E2BB18. The grayscale version is
#6D6D6D. A 20% lighter version of the original color is
#5077FF, and Hex
#0011B4 is the 20% darker color. If the color is saturated by 10%, you get
#1540F3. If the color is desaturated by 10%, the color
#2548DB is obtained.