The hex color #0e202c is a dark color. The web-safe version is Hex
#003333. A complementary color is
#F1DFD3. The grayscale version is
#1E1E1E. A 20% lighter version of the original color is
#41535F, and Hex
#000000 is the 20% darker color. If the color is saturated by 10%, you get
#0C202D. If the color is desaturated by 10%, the color
#10202B is obtained.