The hex color #366b6c is a dark color. The web-safe version is Hex
#336666. A complementary color is
#C99493. The grayscale version is
#5A5A5A. A 20% lighter version of the original color is
#699E9F, and Hex
#033839 is the 20% darker color. If the color is saturated by 10%, you get
#326D6E. If the color is desaturated by 10%, the color
#3A696A is obtained.