Color

#181818

#181818
hex#181818
rgbrgb(24, 24, 24)
hslhsl(0, 0%, 9%)
oklchoklch(0.209 0 0)
Closest name: Violet Void (#1a161d)Relative luminance 0.0091

Colors that go with #181818

Charcoal, Amber and 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#171717

#171717 · #171717

#171717 · #171717

Split-complementary

Open in tool →

#171717 · #171717

#171717 · #171717 · #171717

Contrast

#181818 as textRatioAAAA largeAAAFix
Aaon white
17.76:1passpasspassPasses AAA — no fix needed.
Aaon black
1.18:1failfailfail
  • AA: use #757575 as the text (4.56:1)
  • AAA: use #969696 as the text (7.1:1)
  • AA: or shift the background to #828282 (4.62:1)
  • AAA: or shift the background to #a3a3a3 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #181818 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#181818 reads as neutral, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #181818
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 #181818 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/181818-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