Color

#8a66d1

#8a66d1
hex#8a66d1
rgbrgb(138, 102, 209)
hslhsl(260, 54%, 61%)
oklchoklch(0.596 0.159 296.8)
Closest name: Amethyst (#9966cc)Relative luminance 0.1951

Colors that go with #8a66d1

Amber, Midnight Blue and Taupe 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 →

#add166

#6678d1 · #bf66d1

#d18a66 · #66d18a

Split-complementary

Open in tool →

#d1bf66 · #78d166

#d16678 · #add166 · #66d1bf

Contrast

#8a66d1 as textRatioAAAA largeAAAFix
Aaon white
4.28:1failpassfail
  • AA: use #845ecf as the text (4.68:1)
  • AAA: use #6639c0 as the text (7.21:1)
  • AA: or shift the background to #0d0d0d (4.54:1)
Aaon black
4.9:1passpassfail
  • AAA: use #a589dc as the text (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #8a66d1 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#8a66d1 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #8a66d1
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 #8a66d1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/8a66d1-ae9cc4-dfc94e-2a1f2d-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