Color

#2b5355

#2b5355
hex#2b5355
rgbrgb(43, 83, 85)
hslhsl(183, 33%, 25%)
oklchoklch(0.414 0.045 199.8)
Closest name: darkslategray (#2f4f4f)Relative luminance 0.0736

Colors that go with #2b5355

Teal, Rust 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 →

#552d2b

#2b5542 · #2b3e55

#552b53 · #53552b

Split-complementary

Open in tool →

#552b3e · #55422b

#422b55 · #552d2b · #3e552b

Contrast

#2b5355 as textRatioAAAA largeAAAFix
Aaon white
8.5:1passpasspassPasses AAA — no fix needed.
Aaon black
2.47:1failfailfail
  • AA: use #417e81 as the text (4.53:1)
  • AAA: use #54a2a6 as the text (7.1:1)
  • AA: or shift the background to #bdbdbd (4.52:1)
  • AAA: or shift the background to #ebebeb (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b5355 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#2b5355 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b5355
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 #2b5355 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b5355-a2b9be-d4598e-1f262d-e9f1ee?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