The hex color #545cec is a dark color. The web-safe version is Hex
#6666FF. A complementary color is
#ABA313. The grayscale version is
#898989. A 20% lighter version of the original color is
#878FFF, and Hex
#2129B9 is the 20% darker color. If the color is saturated by 10%, you get
#4F57F6. If the color is desaturated by 10%, the color
#5961E2 is obtained.