About Black
Black, #000000, is all channels at zero — the absence of emitted light. It is also the single most-used color in design: virtually every interface, book and sign depends on black or near-black ink. Nothing reads as premium, formal or final quite like it.
True black is actually rare in good design: pure #000 on pure white vibrates at maximum 21:1 contrast, so most "black" text you read is a softened near-black like #111 or #1a1a1a.
History
Carbon black — soot from burnt bone and wood — was among the first pigments, and it never left: modern printing’s K in CMYK is its direct descendant. Black clothing meant wealth in Renaissance Europe because deep, unfading black dye was ferociously expensive; Spanish court fashion made it the color of power.
The twentieth century gave black its double life: the little black dress and luxury packaging on one side, rebellion — leather, punk, metal — on the other. Vantablack and its successors turned "how black" into a materials-science arms race.
Psychology
Black communicates authority, sophistication and weight; products photographed on black read as more expensive. It is also visual silence — black backgrounds make colors and imagery feel projected, which is why galleries, cinema and OLED interfaces embrace it.
In design
On screens, prefer near-blacks (#0a0a0a–#1c1c1c) for large surfaces to reduce OLED smearing and harsh contrast; keep true #000 for text on light backgrounds and for maximum-punch accents. Black pairs with everything — its only real hazard is muddiness over saturated dark hues.
For dark modes, elevation is communicated by lightening surfaces (e.g. #000 → #121212 → #1e1e1e), not by shadows.
In culture
Black is mourning in the West and formality everywhere: black tie, black belt, in the black, black Friday. It is simultaneously the color of elegance and of the unknown — the void, the black box, the black hole.