Color

#554a5e

#554a5e
hex#554a5e
rgbrgb(85, 74, 94)
hslhsl(273, 12%, 33%)
oklchoklch(0.428 0.035 309.7)
Closest name: Black Magic (#4f4554)Relative luminance 0.0764

Colors that go with #554a5e

Cadet Blue, Copper and Medium Sea Green 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 #554a5e

Tints & shades

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

Harmonies

Complementary

Open in tool →

#535e4a

#4b4a5e · #5e4a5d

#5e554a · #4a5e55

Split-complementary

Open in tool →

#5d5e4a · #4a5e4b

#5e4b4a · #535e4a · #4a5d5e

Contrast

#554a5e as textRatioAAAA largeAAAFix
Aaon white
8.31:1passpasspassPasses AAA — no fix needed.
Aaon black
2.53:1failfailfail
  • AA: use #81708f as the text (4.65:1)
  • AAA: use #9f92aa as the text (7.17:1)
  • AA: or shift the background to #bfbfbf (4.52:1)
  • AAA: or shift the background to #ededed (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #554a5e as the background.

Brands using this color

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

mcpConnect your agent — build around #554a5e
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 #554a5e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/554a5e-b79cc4-c4cb62-2d1f2d-eae9f1?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