Color

#660a6b

#660a6b
hex#660a6b
rgbrgb(102, 10, 107)
hslhsl(297, 83%, 23%)
oklchoklch(0.367 0.162 325.7)
Closest name: Elegant Purple Gown (#552367)Relative luminance 0.041

Colors that go with #660a6b

Forest Green, Teal and Olive Green 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 →

#0f6b0a

#360a6b · #6b0a40

#6b660a · #0a6b66

Split-complementary

Open in tool →

#406b0a · #0a6b36

#6b360a · #0f6b0a · #0a406b

Contrast

#660a6b as textRatioAAAA largeAAAFix
Aaon white
11.53:1passpasspassPasses AAA — no fix needed.
Aaon black
1.82:1failfailfail
  • AA: use #cd14d7 as the text (4.68:1)
  • AAA: use #e857ef as the text (7.04:1)
  • AA: or shift the background to #a3a3a3 (4.57:1)
  • AAA: or shift the background to #cccccc (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #660a6b 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

#660a6b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #660a6b
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 #660a6b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/660a6b-c19fbe-9acb62-2d1f28-ede9f1?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