The hex color #5E5FE3 is a dark color. The web-safe version is Hex
#6666CC. A complementary color is
#A1A01C. The grayscale version is
#8B8B8B. A 20% lighter version of the original color is
#9192FF, and Hex
#2B2CB0 is the 20% darker color. If the color is saturated by 10%, you get
#5A5BEC. If the color is desaturated by 10%, the color
#6263DA is obtained.