Color

#553540

#553540
hex#553540
rgbrgb(85, 53, 64)
hslhsl(339, 23%, 27%)
oklchoklch(0.371 0.049 357.5)
Closest name: Black Truffle (#463d3e)Relative luminance 0.0485

Colors that go with #553540

Sea Green, Steel Blue and Teal 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 #553540

Tints & shades

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

Harmonies

Complementary

Open in tool →

#35554a

#553550 · #553a35

#405535 · #354055

Split-complementary

Open in tool →

#35553a · #355055

#505535 · #35554a · #3a3555

Contrast

#553540 as textRatioAAAA largeAAAFix
Aaon white
10.66:1passpasspassPasses AAA — no fix needed.
Aaon black
1.97:1failfailfail
  • AA: use #9f6579 as the text (4.61:1)
  • AAA: use #b68b9a as the text (7.15:1)
  • AA: or shift the background to #ababab (4.64:1)
  • AAA: or shift the background to #d4d4d4 (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #553540 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

#553540 reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #553540
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 #553540 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/553540-c49ca5-62cb74-2d211f-f1e9f0?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