The hex color #1b282c is a dark color. The web-safe version is Hex
#333333. A complementary color is
#E4D7D3. The grayscale version is
#252525. A 20% lighter version of the original color is
#4E5B5F, and Hex
#000000 is the 20% darker color. If the color is saturated by 10%, you get
#1A282D. If the color is desaturated by 10%, the color
#1C282B is obtained.