The hex color #495e67 is a dark color. The web-safe version is Hex
#336666. A complementary color is
#B6A198. The grayscale version is
#5A5A5A. A 20% lighter version of the original color is
#7C919A, and Hex
#162B34 is the 20% darker color. If the color is saturated by 10%, you get
#475E68. If the color is desaturated by 10%, the color
#4B5E66 is obtained.