The hex color #4c5bdc is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#B3A423. The grayscale version is
#818181. A 20% lighter version of the original color is
#7F8EFF, and Hex
#1928A9 is the 20% darker color. If the color is saturated by 10%, you get
#4757E5. If the color is desaturated by 10%, the color
#515FD3 is obtained.