The hex color #1e3dbb is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#E1C244. The grayscale version is
#5D5D5D. A 20% lighter version of the original color is
#5170EE, and Hex
#000A88 is the 20% darker color. If the color is saturated by 10%, you get
#183AC4. If the color is desaturated by 10%, the color
#2440B2 is obtained.