Color

#255355

#255355
hex#255355
rgbrgb(37, 83, 85)
hslhsl(183, 39%, 24%)
oklchoklch(0.411 0.05 199.2)
Closest name: darkslategray (#2f4f4f)Relative luminance 0.0724

Colors that go with #255355

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 →

#552825

#255540 · #253b55

#552553 · #535525

Split-complementary

Open in tool →

#55253b · #554025

#402555 · #552825 · #3b5525

Contrast

#255355 as textRatioAAAA largeAAAFix
Aaon white
8.58:1passpasspassPasses AAA — no fix needed.
Aaon black
2.45:1failfailfail
  • AA: use #3a7f83 as the text (4.54:1)
  • AAA: use #49a2a7 as the text (7.01:1)
  • AA: or shift the background to #bdbdbd (4.57:1)
  • AAA: or shift the background to #e8e8e8 (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #255355 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

#255355 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #255355
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 #255355 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/255355-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