The hex color #3c608c is a dark color. The web-safe version is Hex
#336699. A complementary color is
#C39F73. The grayscale version is
#636363. A 20% lighter version of the original color is
#6F93BF, and Hex
#092D59 is the 20% darker color. If the color is saturated by 10%, you get
#386090. If the color is desaturated by 10%, the color
#406088 is obtained.