Color

#5563aa

#5563aa
hex#5563aa
rgbrgb(85, 99, 170)
hslhsl(230, 33%, 50%)
oklchoklch(0.522 0.113 273.5)
Closest name: Bellflower (#5d66aa)Relative luminance 0.1376

Colors that go with #5563aa

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 →

#aa9c55

#558eaa · #7155aa

#aa5563 · #63aa55

Split-complementary

Open in tool →

#aa7155 · #8eaa55

#aa558e · #aa9c55 · #55aa71

Contrast

#5563aa as textRatioAAAA largeAAAFix
Aaon white
5.6:1passpassfail
  • AAA: use #48548e as the text (7.16:1)
Aaon black
3.75:1failpassfail
  • AA: use #6673b2 as the text (4.66:1)
  • AAA: use #8c95c5 as the text (7.22:1)
  • AA: or shift the background to #e8e8e8 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5563aa 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 #5563aa
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 #5563aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5563aa-9c9ec4-df814e-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