brandsweets

CSS color

black

#000000
hex#000000
rgbrgb(0, 0, 0)
hslhsl(0, 0%, 0%)
oklchoklch(0 0 0)
Relative luminance 0
NeutralDarkLuxuryBold
Open in palette toolCheck contrastWhat goes with it ↓

Black on this page is the real value, not a screenshot: exact hex, RGB, HSL and OKLCH, ten tints and ten shades, classic harmonies, and WCAG contrast with fixes — plus the 305 public brands that use it and the palettes it appears in.

Colors that go with black

Charcoal, Blue and Cobalt Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Real palettes that use black

1password· brand3M· brandAbsolut· brandActivision· brand

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →
000000000000

#000000

Analogous

Open in tool →
000000000000000000

#000000 · #000000

Triadic

Open in tool →
000000000000000000

#000000 · #000000

Split-complementary

Open in tool →
000000000000000000

#000000 · #000000

Tetradic

Open in tool →
000000000000000000000000

#000000 · #000000 · #000000

Contrast

black as textRatioAAAA largeAAAFix
Aaon white
21:1passpasspassPasses AAA — no fix needed.
Aaon black
1:1failfailfail
  • AA: use #757575 as the text (4.56:1)
  • AAA: use #969696 as the text (7.1:1)
  • AA: or shift the background to #757575 (4.56:1)
  • AAA: or shift the background to #969696 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with black as the background.

Brands using this color

Fonts for this mood

black reads as neutral, dark, luxury. The font library is tagged with the same vocabulary:

Neutral fonts →Luxury fonts →Bold fonts →
mcpConnect your agent — build around black
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

›analyze #000000 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/000000-a2beb0-c859d4-1f2d2b-eaf1e9?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md