The hex color #2d1e7f is a dark color. The web-safe version is Hex
#333366. A complementary color is
#D2E180. The grayscale version is
#434343. A 20% lighter version of the original color is
#6051B2, and Hex
#00004C is the 20% darker color. If the color is saturated by 10%, you get
#2B1A85. If the color is desaturated by 10%, the color
#2F2279 is obtained.