The hex color #4b6ac2 is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#B4953D. The grayscale version is
#7D7D7D. A 20% lighter version of the original color is
#7E9DF5, and Hex
#18378F is the 20% darker color. If the color is saturated by 10%, you get
#4668C9. If the color is desaturated by 10%, the color
#506CBB is obtained.