Color

#5565aa

#5565aa
hex#5565aa
rgbrgb(85, 101, 170)
hslhsl(229, 33%, 50%)
oklchoklch(0.526 0.11 272.3)
Closest name: Bellflower (#5d66aa)Relative luminance 0.1414

Colors that go with #5565aa

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 →

#aa9a55

#558faa · #7055aa

#aa5565 · #65aa55

Split-complementary

Open in tool →

#aa7055 · #8faa55

#aa558f · #aa9a55 · #55aa70

Contrast

#5565aa as textRatioAAAA largeAAAFix
Aaon white
5.49:1passpassfail
  • AAA: use #48558e as the text (7.08:1)
Aaon black
3.83:1failpassfail
  • AA: use #6371b0 as the text (4.52:1)
  • AAA: use #8893c3 as the text (7.01:1)
  • AA: or shift the background to #ebebeb (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5565aa 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 #5565aa
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 #5565aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5565aa-9c9fc4-df7e4e-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