The hex color #2e434d is a dark color. The web-safe version is Hex
#333366. A complementary color is
#D1BCB2. The grayscale version is
#3F3F3F. A 20% lighter version of the original color is
#617680, and Hex
#00101A is the 20% darker color. If the color is saturated by 10%, you get
#2C434E. If the color is desaturated by 10%, the color
#30434C is obtained.