The hex color #43639c is a dark color. The web-safe version is Hex
#336699. A complementary color is
#BC9C63. The grayscale version is
#6B6B6B. A 20% lighter version of the original color is
#7696CF, and Hex
#103069 is the 20% darker color. If the color is saturated by 10%, you get
#3F62A1. If the color is desaturated by 10%, the color
#476497 is obtained.