The hex color #5E6CC9 is a dark color. The web-safe version is Hex
#6666CC. A complementary color is
#A19336. The grayscale version is
#868686. A 20% lighter version of the original color is
#919FFC, and Hex
#2B3996 is the 20% darker color. If the color is saturated by 10%, you get
#5A69D0. If the color is desaturated by 10%, the color
#626FC2 is obtained.