The hex color #4b5cfc is a dark color. The web-safe version is Hex
#3366FF. A complementary color is
#B4A303. The grayscale version is
#8C8C8C. A 20% lighter version of the original color is
#7E8FFF, and Hex
#1829C9 is the 20% darker color. If the color is saturated by 10%, you get
#4557FF. If the color is desaturated by 10%, the color
#5161F1 is obtained.