Color

#5582aa

#5582aa
hex#5582aa
rgbrgb(85, 130, 170)
hslhsl(208, 33%, 50%)
oklchoklch(0.591 0.079 246.4)
Closest name: steelblue (#4682b4)Relative luminance 0.208

Colors that go with #5582aa

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 #5582aa

Tints & shades

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

Harmonies

Complementary

Open in tool →

#aa7d55

#55aaa7 · #5558aa

#aa5582 · #82aa55

Split-complementary

Open in tool →

#aa5558 · #aaa755

#a755aa · #aa7d55 · #58aa55

Contrast

#5582aa as textRatioAAAA largeAAAFix
Aaon white
4.07:1failpassfail
  • AA: use #507a9f as the text (4.54:1)
  • AAA: use #3c5b77 as the text (7.11:1)
  • AA: or shift the background to #141414 (4.53:1)
Aaon black
5.16:1passpassfail
  • AAA: use #779bbb as the text (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5582aa 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 #5582aa
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 #5582aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5582aa-9cadc4-df4e51-1f212d-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