Color

#554e88

#554e88
hex#554e88
rgbrgb(85, 78, 136)
hslhsl(247, 27%, 42%)
oklchoklch(0.458 0.093 287.7)
Closest name: Freshly Purpleized (#5c5083)Relative luminance 0.0916

Colors that go with #554e88

Charcoal, Sea Green and Steel 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 #554e88

Tints & shades

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

Harmonies

Complementary

Open in tool →

#81884e

#4e6488 · #724e88

#88554e · #4e8855

Split-complementary

Open in tool →

#88724e · #64884e

#884e64 · #81884e · #4e8872

Contrast

#554e88 as textRatioAAAA largeAAAFix
Aaon white
7.42:1passpasspassPasses AAA — no fix needed.
Aaon black
2.83:1failfailfail
  • AA: use #746dab as the text (4.52:1)
  • AAA: use #9691c0 as the text (7.11:1)
  • AA: or shift the background to #cccccc (4.62:1)
  • AAA: or shift the background to #fafafa (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #554e88 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 #554e88
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 #554e88 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/554e88-a59cc4-dfaa4e-271f2d-e9ecf1?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