The hex color #2b353c is a dark color. The web-safe version is Hex
#333333. A complementary color is
#D4CAC3. The grayscale version is
#343434. A 20% lighter version of the original color is
#5E686F, and Hex
#000209 is the 20% darker color. If the color is saturated by 10%, you get
#2A353D. If the color is desaturated by 10%, the color
#2C353B is obtained.