The hex color #3c456c is a dark color. The web-safe version is Hex
#333366. A complementary color is
#C3BA93. The grayscale version is
#4F4F4F. A 20% lighter version of the original color is
#6F789F, and Hex
#091239 is the 20% darker color. If the color is saturated by 10%, you get
#3A446F. If the color is desaturated by 10%, the color
#3E4669 is obtained.