Color

#660d7d

#660d7d
hex#660d7d
rgbrgb(102, 13, 125)
hslhsl(288, 81%, 27%)
oklchoklch(0.382 0.174 317.6)
Closest name: Extraviolet (#661188)Relative luminance 0.0459

Colors that go with #660d7d

Forest Green, Charcoal 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 →

#237d0d

#2f0d7d · #7d0d5b

#7d660d · #0d7d66

Split-complementary

Open in tool →

#5b7d0d · #0d7d2f

#7d2f0d · #237d0d · #0d5b7d

Contrast

#660d7d as textRatioAAAA largeAAAFix
Aaon white
10.95:1passpasspassPasses AAA — no fix needed.
Aaon black
1.92:1failfailfail
  • AA: use #bf1de7 as the text (4.54:1)
  • AAA: use #d56bef as the text (7.18:1)
  • AA: or shift the background to #a8a8a8 (4.6:1)
  • AAA: or shift the background to #cfcfcf (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #660d7d 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

#660d7d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #660d7d
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 #660d7d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/660d7d-be9fc1-aacb62-2d1f2a-ece9f1?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