Color

#5570aa

#5570aa
hex#5570aa
rgbrgb(85, 112, 170)
hslhsl(221, 33%, 50%)
oklchoklch(0.55 0.096 264.5)
Closest name: Loch Ness (#5f6db0)Relative luminance 0.1642

Colors that go with #5570aa

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 →

#aa8f55

#559aaa · #6555aa

#aa5570 · #70aa55

Split-complementary

Open in tool →

#aa6555 · #9aaa55

#aa559a · #aa8f55 · #55aa65

Contrast

#5570aa as textRatioAAAA largeAAAFix
Aaon white
4.9:1passpassfail
  • AAA: use #435784 as the text (7.15:1)
Aaon black
4.28:1failpassfail
  • AA: use #5c76ad as the text (4.65:1)
  • AAA: use #8295c0 as the text (7.01:1)
  • AA: or shift the background to #f7f7f7 (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 #5570aa 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 #5570aa
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 #5570aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5570aa-9ca4c4-df6b4e-211f2d-e9eff1?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