The hex color #302b33 is a dark color. The web-safe version is Hex
#333333. A complementary color is
#CFD4CC. The grayscale version is
#2F2F2F. A 20% lighter version of the original color is
#635E66, and Hex
#000000 is the 20% darker color. If the color is saturated by 10%, you get
#302B33. If the color is desaturated by 10%, the color
#302B33 is obtained.