The hex color #4a647c is a dark color. The web-safe version is Hex
#336666. A complementary color is
#B59B83. The grayscale version is
#636363. A 20% lighter version of the original color is
#7D97AF, and Hex
#173149 is the 20% darker color. If the color is saturated by 10%, you get
#47647E. If the color is desaturated by 10%, the color
#4D647A is obtained.