The hex color #5a4fdf is a dark color. The web-safe version is Hex
#6666CC. A complementary color is
#A5B020. The grayscale version is
#838383. A 20% lighter version of the original color is
#8D82FF, and Hex
#271CAC is the 20% darker color. If the color is saturated by 10%, you get
#564AE8. If the color is desaturated by 10%, the color
#5E54D6 is obtained.