Color

#5561aa

#5561aa
hex#5561aa
rgbrgb(85, 97, 170)
hslhsl(232, 33%, 50%)
oklchoklch(0.518 0.116 274.6)
Closest name: Bellflower (#5d66aa)Relative luminance 0.1338

Colors that go with #5561aa

Charcoal, Sea Green and Amber 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 →

#aa9e55

#558baa · #7455aa

#aa5561 · #61aa55

Split-complementary

Open in tool →

#aa7455 · #8baa55

#aa558b · #aa9e55 · #55aa74

Contrast

#5561aa as textRatioAAAA largeAAAFix
Aaon white
5.71:1passpassfail
  • AAA: use #495392 as the text (7.15:1)
Aaon black
3.68:1failpassfail
  • AA: use #6670b2 as the text (4.53:1)
  • AAA: use #8c93c5 as the text (7.09:1)
  • AA: or shift the background to #e6e6e6 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5561aa 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 #5561aa
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 #5561aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5561aa-9c9dc4-df864e-231f2d-e9eef1?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