The hex color #4b67a0 is a dark color. The web-safe version is Hex
#336699. A complementary color is
#B4985F. The grayscale version is
#717171. A 20% lighter version of the original color is
#7E9AD3, and Hex
#18346D is the 20% darker color. If the color is saturated by 10%, you get
#4766A5. If the color is desaturated by 10%, the color
#4F689B is obtained.