The hex color #4b669c is a dark color. The web-safe version is Hex
#336699. A complementary color is
#B49963. The grayscale version is
#6F6F6F. A 20% lighter version of the original color is
#7E99CF, and Hex
#183369 is the 20% darker color. If the color is saturated by 10%, you get
#4765A1. If the color is desaturated by 10%, the color
#4F6798 is obtained.