Color

#222b2b

#222b2b
hex#222b2b
rgbrgb(34, 43, 43)
hslhsl(180, 12%, 15%)
oklchoklch(0.281 0.013 196.5)
Closest name: Cinder (#242a2e)Relative luminance 0.0224

Colors that go with #222b2b

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 →

#2b2222

#222b26 · #22262b

#2b222b · #2b2b22

Split-complementary

Open in tool →

#2b2226 · #2b2622

#26222b · #2b2222 · #262b22

Contrast

#222b2b as textRatioAAAA largeAAAFix
Aaon white
14.5:1passpasspassPasses AAA — no fix needed.
Aaon black
1.45:1failfailfail
  • AA: use #607b7b as the text (4.62:1)
  • AAA: use #819c9c as the text (7.17:1)
  • AA: or shift the background to #919191 (4.6:1)
  • AAA: or shift the background to #b5b5b5 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #222b2b as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#222b2b reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #222b2b
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 #222b2b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/222b2b-a2bbbe-d45994-1f272d-e9f1ed?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