Color

#866aa4

#866aa4
hex#866aa4
rgbrgb(134, 106, 164)
hslhsl(269, 24%, 53%)
oklchoklch(0.574 0.092 305.8)
Closest name: Crown Jewels (#946dad)Relative luminance 0.1806

Colors that go with #866aa4

Charcoal, Denim and Midnight Blue 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 →

#88a46a

#6a6ba4 · #a36aa4

#a4866a · #6aa486

Split-complementary

Open in tool →

#a4a36a · #6ba46a

#a46a6b · #88a46a · #6aa4a3

Contrast

#866aa4 as textRatioAAAA largeAAAFix
Aaon white
4.55:1passpassfail
  • AAA: use #654e7e as the text (7.13:1)
Aaon black
4.61:1passpassfail
  • AAA: use #a28db9 as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #866aa4 as the background.

Brands using this color

mcpConnect your agent — build around #866aa4
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 #866aa4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/866aa4-b49cc4-cbcb62-2c1f2d-e9e9f1?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