Color

#554c57

#554c57
hex#554c57
rgbrgb(85, 76, 87)
hslhsl(289, 7%, 32%)
oklchoklch(0.429 0.021 320.1)
Closest name: Black Magic (#4f4554)Relative luminance 0.0779

Colors that go with #554c57

Blue, Cadet Blue and Champagne 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 #554c57

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4e574c

#504c57 · #574c54

#57554c · #4c5755

Split-complementary

Open in tool →

#54574c · #4c5750

#57504c · #4e574c · #4c5457

Contrast

#554c57 as textRatioAAAA largeAAAFix
Aaon white
8.21:1passpasspassPasses AAA — no fix needed.
Aaon black
2.56:1failfailfail
  • AA: use #807283 as the text (4.65:1)
  • AAA: use #9e92a0 as the text (7.07:1)
  • AA: or shift the background to #c2c2c2 (4.61:1)
  • AAA: or shift the background to #ededed (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #554c57 as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#554c57 reads as neutral, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #554c57
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 #554c57 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/554c57-a2beb0-c859d4-1f2d2b-eaf1e9?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