Color

#5573aa

#5573aa
hex#5573aa
rgbrgb(85, 115, 170)
hslhsl(219, 33%, 50%)
oklchoklch(0.556 0.093 261.9)
Closest name: Blue Triumph (#4376ab)Relative luminance 0.171

Colors that go with #5573aa

Charcoal, Sea Green and Sienna 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 →

#aa8c55

#559daa · #6255aa

#aa5573 · #73aa55

Split-complementary

Open in tool →

#aa6255 · #9daa55

#aa559d · #aa8c55 · #55aa62

Contrast

#5573aa as textRatioAAAA largeAAAFix
Aaon white
4.75:1passpassfail
  • AAA: use #415781 as the text (7.23:1)
Aaon black
4.42:1failpassfail
  • AA: use #5976ab as the text (4.6:1)
  • AAA: use #8297c0 as the text (7.14:1)
  • AA: or shift the background to #fafafa (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5573aa 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 #5573aa
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 #5573aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5573aa-9ca5c4-df664e-211f2d-e9f0f1?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