Matte Black lets a fine pale edge carry the detail.
A surface, not a HEX, creates the low-glare look.
Copper works best as a small mark.
Tints
#28282b
#3e3e40
#535355
#68686b
#7e7e80
#949495
#a9a9aa
#bebebf
#d4d4d5
#eaeaea
#ffffff
Shades
#28282b
#242427
#202022
#1c1c1e
#18181a
#141416
#101011
#0c0c0d
#080809
#040404
Triadic
#28282b
#2b2828
#282b28
Monochromatic
#1a1a1c
#212123
#28282b
#4f4f51
#737375
Analogous
#282a2b
#28282b
#2a282b
Complementary
#28282b
#2b2b28