The hex color #37436c is a dark color. The web-safe version is Hex
#333366. A complementary color is
#C8BC93. The grayscale version is
#4D4D4D. A 20% lighter version of the original color is
#6A769F, and Hex
#041039 is the 20% darker color. If the color is saturated by 10%, you get
#35426F. If the color is desaturated by 10%, the color
#394469 is obtained.