The hex color #5a5eb3 is a dark color. The web-safe version is Hex
#6666CC. A complementary color is
#A5A14C. The grayscale version is
#797979. A 20% lighter version of the original color is
#8D91E6, and Hex
#272B80 is the 20% darker color. If the color is saturated by 10%, you get
#575BB9. If the color is desaturated by 10%, the color
#5D61AD is obtained.