The hex color #4a6ac8 is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#B59537. The grayscale version is
#7F7F7F. A 20% lighter version of the original color is
#7D9DFB, and Hex
#173795 is the 20% darker color. If the color is saturated by 10%, you get
#4568CF. If the color is desaturated by 10%, the color
#4F6CC1 is obtained.