The hex color #1c292b is a dark color. The web-safe version is Hex
#333333. A complementary color is
#E3D6D4. The grayscale version is
#252525. A 20% lighter version of the original color is
#4F5C5E, and Hex
#000000 is the 20% darker color. If the color is saturated by 10%, you get
#1B292C. If the color is desaturated by 10%, the color
#1D292A is obtained.