The hex color #41687c is a dark color. The web-safe version is Hex
#336666. A complementary color is
#BE9783. The grayscale version is
#626262. A 20% lighter version of the original color is
#749BAF, and Hex
#0E3549 is the 20% darker color. If the color is saturated by 10%, you get
#3E697F. If the color is desaturated by 10%, the color
#446779 is obtained.