The hex color #453fcc is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#BAC033. The grayscale version is
#707070. A 20% lighter version of the original color is
#7872FF, and Hex
#120C99 is the 20% darker color. If the color is saturated by 10%, you get
#413AD5. If the color is desaturated by 10%, the color
#4944C3 is obtained.