The hex color #4c6972 is a dark color. The web-safe version is Hex
#336666. A complementary color is
#B3968D. The grayscale version is
#626262. A 20% lighter version of the original color is
#7F9CA5, and Hex
#19363F is the 20% darker color. If the color is saturated by 10%, you get
#4A6A74. If the color is desaturated by 10%, the color
#4E6870 is obtained.