The hex color #2c656e is a dark color. The web-safe version is Hex
#336666. A complementary color is
#D39A91. The grayscale version is
#555555. A 20% lighter version of the original color is
#5F98A1, and Hex
#00323B is the 20% darker color. If the color is saturated by 10%, you get
#286771. If the color is desaturated by 10%, the color
#30636C is obtained.