The hex color #1e33d5 is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#E1CC2A. The grayscale version is
#626262. A 20% lighter version of the original color is
#5166FF, and Hex
#0000A2 is the 20% darker color. If the color is saturated by 10%, you get
#172EE1. If the color is desaturated by 10%, the color
#2538CA is obtained.