The hex color #3e567c is a dark color. The web-safe version is Hex
#336666. A complementary color is
#C1A983. The grayscale version is
#5B5B5B. A 20% lighter version of the original color is
#7189AF, and Hex
#0B2349 is the 20% darker color. If the color is saturated by 10%, you get
#3B567F. If the color is desaturated by 10%, the color
#415679 is obtained.