The hex color #495f7c is a dark color. The web-safe version is Hex
#336666. A complementary color is
#B6A083. The grayscale version is
#616161. A 20% lighter version of the original color is
#7C92AF, and Hex
#162C49 is the 20% darker color. If the color is saturated by 10%, you get
#475F7F. If the color is desaturated by 10%, the color
#4B5F79 is obtained.