The hex color #2a4f3c is a dark color. The web-safe version is Hex
#336633. A complementary color is
#D5B0C3. The grayscale version is
#3C3C3C. A 20% lighter version of the original color is
#5D826F, and Hex
#001C09 is the 20% darker color. If the color is saturated by 10%, you get
#28513C. If the color is desaturated by 10%, the color
#2C4D3C is obtained.