Color

#8366a3

#8366a3
hex#8366a3
rgbrgb(131, 102, 163)
hslhsl(269, 25%, 52%)
oklchoklch(0.563 0.097 305.3)
Closest name: Crown Jewels (#946dad)Relative luminance 0.1697

Colors that go with #8366a3

Charcoal, Sea Green and Crimson 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 →

#86a366

#6667a3 · #a266a3

#a38466 · #66a384

Split-complementary

Open in tool →

#a3a266 · #67a366

#a36667 · #86a366 · #66a3a2

Contrast

#8366a3 as textRatioAAAA largeAAAFix
Aaon white
4.78:1passpassfail
  • AAA: use #654d80 as the text (7.18:1)
Aaon black
4.39:1failpassfail
  • AA: use #8669a5 as the text (4.58:1)
  • AAA: use #a58fbc as the text (7.26:1)
  • AA: or shift the background to #fafafa (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #8366a3 as the background.

Brands using this color

mcpConnect your agent — build around #8366a3
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 #8366a3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/8366a3-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