Color

#566aa4

#566aa4
hex#566aa4
rgbrgb(86, 106, 164)
hslhsl(225, 31%, 49%)
oklchoklch(0.534 0.095 268.6)
Closest name: Bellflower (#5d66aa)Relative luminance 0.1497

Colors that go with #566aa4

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 →

#a49056

#5690a4 · #6a56a4

#a4566a · #6aa456

Split-complementary

Open in tool →

#a46a56 · #90a456

#a45690 · #a49056 · #56a46a

Contrast

#566aa4 as textRatioAAAA largeAAAFix
Aaon white
5.26:1passpassfail
  • AAA: use #465686 as the text (7.15:1)
Aaon black
3.99:1failpassfail
  • AA: use #6275ac as the text (4.66:1)
  • AAA: use #8795c0 as the text (7.09:1)
  • AA: or shift the background to #f0f0f0 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #566aa4 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 #566aa4
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 #566aa4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/566aa4-9ca1c4-df754e-221f2d-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