Color

#5584aa

#5584aa
hex#5584aa
rgbrgb(85, 132, 170)
hslhsl(207, 33%, 50%)
oklchoklch(0.595 0.078 244)
Closest name: steelblue (#4682b4)Relative luminance 0.2134

Colors that go with #5584aa

Charcoal, Copper 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.

Real palettes that use #5584aa

Tints & shades

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

Harmonies

Complementary

Open in tool →

#aa7b55

#55aaa5 · #555aaa

#aa5584 · #84aa55

Split-complementary

Open in tool →

#aa555a · #aaa555

#a555aa · #aa7b55 · #5aaa55

Contrast

#5584aa as textRatioAAAA largeAAAFix
Aaon white
3.99:1failpassfail
  • AA: use #4f799c as the text (4.62:1)
  • AAA: use #3c5c77 as the text (7.02:1)
  • AA: or shift the background to #141414 (4.62:1)
Aaon black
5.27:1passpassfail
  • AAA: use #749ab9 as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5584aa 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 #5584aa
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 #5584aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5584aa-9cadc4-df4e53-1f212d-e9f1f1?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