The hex color #1e5fd9 is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#E1A026. The grayscale version is
#727272. A 20% lighter version of the original color is
#5192FF, and Hex
#002CA6 is the 20% darker color. If the color is saturated by 10%, you get
#165DE3. If the color is desaturated by 10%, the color
#2661CF is obtained.