The hex color #433e2e is a dark color. The web-safe version is Hex
#333333. A complementary color is
#BCC1D1. The grayscale version is
#3A3A3A. A 20% lighter version of the original color is
#767161, and Hex
#100B00 is the 20% darker color. If the color is saturated by 10%, you get
#443E2D. If the color is desaturated by 10%, the color
#423E2F is obtained.