The hex color #4b697c is a dark color. The web-safe version is Hex
#336666. A complementary color is
#B49683. The grayscale version is
#656565. A 20% lighter version of the original color is
#7E9CAF, and Hex
#183649 is the 20% darker color. If the color is saturated by 10%, you get
#48697E. If the color is desaturated by 10%, the color
#4E697A is obtained.