The hex color #2a494c is a dark color. The web-safe version is Hex
#333333. A complementary color is
#D5B6B3. The grayscale version is
#404040. A 20% lighter version of the original color is
#5D7C7F, and Hex
#001619 is the 20% darker color. If the color is saturated by 10%, you get
#284A4D. If the color is desaturated by 10%, the color
#2C484B is obtained.