The hex color #3d2f29 is a dark color. The web-safe version is Hex
#333333. A complementary color is
#C2D0D6. The grayscale version is
#323232. A 20% lighter version of the original color is
#70625C, and Hex
#0A0000 is the 20% darker color. If the color is saturated by 10%, you get
#3E2F28. If the color is desaturated by 10%, the color
#3C2F2A is obtained.