The hex color #231e27 is a dark color. The web-safe version is Hex
#333333. A complementary color is
#DCE1D8. The grayscale version is
#232323. A 20% lighter version of the original color is
#56515A, and Hex
#000000 is the 20% darker color. If the color is saturated by 10%, you get
#231E27. If the color is desaturated by 10%, the color
#231E27 is obtained.