The hex color #34514c is a dark color. The web-safe version is Hex
#336633. A complementary color is
#CBAEB3. The grayscale version is
#464646. A 20% lighter version of the original color is
#67847F, and Hex
#011E19 is the 20% darker color. If the color is saturated by 10%, you get
#32524D. If the color is desaturated by 10%, the color
#36504B is obtained.