Color

#566ecd

#566ecd
hex#566ecd
rgbrgb(86, 110, 205)
hslhsl(228, 54%, 57%)
oklchoklch(0.567 0.149 270.4)
Closest name: God of Rain (#4466cc)Relative luminance 0.1754

Colors that go with #566ecd

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 →

#cdb556

#56a9cd · #7a56cd

#cd566e · #6ecd56

Split-complementary

Open in tool →

#cd7a56 · #a9cd56

#cd56a9 · #cdb556 · #56cd7a

Contrast

#566ecd as textRatioAAAA largeAAAFix
Aaon white
4.66:1passpassfail
  • AAA: use #364fb5 as the text (7.14:1)
Aaon black
4.51:1passpassfail
  • AAA: use #8193d9 as the text (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #566ecd as the background.

Brands using this color

Fonts for this mood

#566ecd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #566ecd
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 #566ecd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/566ecd-9c9fc4-df7c4e-231f2d-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