The hex color #4f5d7c is a dark color. The web-safe version is Hex
#666666. A complementary color is
#B0A283. The grayscale version is
#636363. A 20% lighter version of the original color is
#8290AF, and Hex
#1C2A49 is the 20% darker color. If the color is saturated by 10%, you get
#4D5C7F. If the color is desaturated by 10%, the color
#515E79 is obtained.