The hex color #334a3c is a dark color. The web-safe version is Hex
#333333. A complementary color is
#CCB5C3. The grayscale version is
#3E3E3E. A 20% lighter version of the original color is
#667D6F, and Hex
#001709 is the 20% darker color. If the color is saturated by 10%, you get
#324B3C. If the color is desaturated by 10%, the color
#34493C is obtained.