The hex color #130e2c is a dark color. The web-safe version is Hex
#000033. A complementary color is
#ECF1D3. The grayscale version is
#1A1A1A. A 20% lighter version of the original color is
#46415F, and Hex
#000000 is the 20% darker color. If the color is saturated by 10%, you get
#120D2E. If the color is desaturated by 10%, the color
#140F2A is obtained.