Color

#66568a

#66568a
hex#66568a
rgbrgb(102, 86, 138)
hslhsl(258, 23%, 44%)
oklchoklch(0.491 0.083 297.4)
Closest name: Berry Jam (#655883)Relative luminance 0.1132

Colors that go with #66568a

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 →

#7b8a56

#56618a · #80568a

#8a6656 · #568a66

Split-complementary

Open in tool →

#8a8056 · #618a56

#8a5661 · #7b8a56 · #568a80

Contrast

#66568a as textRatioAAAA largeAAAFix
Aaon white
6.44:1passpassfail
  • AAA: use #5f5181 as the text (7.05:1)
Aaon black
3.26:1failpassfail
  • AA: use #7c6ca3 as the text (4.53:1)
  • AAA: use #9e91ba as the text (7.21:1)
  • AA: or shift the background to #d9d9d9 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #66568a 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 #66568a
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 #66568a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/66568a-ad9cc4-dfc44e-291f2d-e9ebf1?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