The hex color #193d6c is a dark color. The web-safe version is Hex
#003366. A complementary color is
#E6C293. The grayscale version is
#414141. A 20% lighter version of the original color is
#4C709F, and Hex
#000A39 is the 20% darker color. If the color is saturated by 10%, you get
#153D70. If the color is desaturated by 10%, the color
#1D3D68 is obtained.