Color

#554b58

#554b58
hex#554b58
rgbrgb(85, 75, 88)
hslhsl(286, 8%, 32%)
oklchoklch(0.427 0.025 318.4)
Closest name: Black Magic (#4f4554)Relative luminance 0.0767

Colors that go with #554b58

Copper, Goldenrod and Midnight 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.

Real palettes that use #554b58

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4e584b

#4f4b58 · #584b55

#58554b · #4b5855

Split-complementary

Open in tool →

#55584b · #4b584f

#584f4b · #4e584b · #4b5558

Contrast

#554b58 as textRatioAAAA largeAAAFix
Aaon white
8.29:1passpasspassPasses AAA — no fix needed.
Aaon black
2.53:1failfailfail
  • AA: use #807184 as the text (4.61:1)
  • AAA: use #a094a4 as the text (7.27:1)
  • AA: or shift the background to #bfbfbf (4.51:1)
  • AAA: or shift the background to #ededed (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #554b58 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

#554b58 reads as muted, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #554b58
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 #554b58 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/554b58-bd9fc1-adcb62-2d1f2a-ece9f1?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