The hex color #1b49b6 is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#E4B649. The grayscale version is
#5E5E5E. A 20% lighter version of the original color is
#4E7CE9, and Hex
#001683 is the 20% darker color. If the color is saturated by 10%, you get
#1447BF. If the color is desaturated by 10%, the color
#224BAD is obtained.