The hex color #1e155b is a dark color. The web-safe version is Hex
#330066. A complementary color is
#E1EAA4. The grayscale version is
#2F2F2F. A 20% lighter version of the original color is
#51488E, and Hex
#000028 is the 20% darker color. If the color is saturated by 10%, you get
#1C125F. If the color is desaturated by 10%, the color
#201857 is obtained.