Color

#554d9d

#554d9d
hex#554d9d
rgbrgb(85, 77, 157)
hslhsl(246, 34%, 46%)
oklchoklch(0.469 0.126 285)
Closest name: Blueberry (#464196)Relative luminance 0.0967

Colors that go with #554d9d

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#959d4d

#4d6d9d · #7d4d9d

#9d554d · #4d9d55

Split-complementary

Open in tool →

#9d7d4d · #6d9d4d

#9d4d6d · #959d4d · #4d9d7d

Contrast

#554d9d as textRatioAAAA largeAAAFix
Aaon white
7.16:1passpasspassPasses AAA — no fix needed.
Aaon black
2.93:1failfailfail
  • AA: use #746cb7 as the text (4.57:1)
  • AAA: use #9792c9 as the text (7.27:1)
  • AA: or shift the background to #cfcfcf (4.59:1)
  • AAA: or shift the background to #ffffff (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #554d9d 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 #554d9d
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 #554d9d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/554d9d-a59cc4-dfa74e-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