The hex color #5E5CC1 is a dark color. The web-safe version is Hex
#6666CC. A complementary color is
#A1A33E. The grayscale version is
#7E7E7E. A 20% lighter version of the original color is
#918FF4, and Hex
#2B298E is the 20% darker color. If the color is saturated by 10%, you get
#5B59C8. If the color is desaturated by 10%, the color
#615FBA is obtained.