The hex color #36779c is a dark color. The web-safe version is Hex
#336699. A complementary color is
#C98863. The grayscale version is
#6E6E6E. A 20% lighter version of the original color is
#69AACF, and Hex
#034469 is the 20% darker color. If the color is saturated by 10%, you get
#3078A1. If the color is desaturated by 10%, the color
#3C7697 is obtained.