The hex color #1a54c7 is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#E5AB38. The grayscale version is
#676767. A 20% lighter version of the original color is
#4D87FA, and Hex
#002194 is the 20% darker color. If the color is saturated by 10%, you get
#1252D1. If the color is desaturated by 10%, the color
#2256BD is obtained.