Color

#660e81

#660e81
hex#660e81
rgbrgb(102, 14, 129)
hslhsl(286, 80%, 28%)
oklchoklch(0.385 0.177 315.9)
Closest name: Extraviolet (#661188)Relative luminance 0.0472

Colors that go with #660e81

Forest Green, Charcoal and Tomato 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 →

#29810e

#2d0e81 · #810e62

#81660e · #0e8166

Split-complementary

Open in tool →

#62810e · #0e812d

#812d0e · #29810e · #0e6281

Contrast

#660e81 as textRatioAAAA largeAAAFix
Aaon white
10.8:1passpasspassPasses AAA — no fix needed.
Aaon black
1.94:1failfailfail
  • AA: use #ba27e7 as the text (4.53:1)
  • AAA: use #d06cef as the text (7.07:1)
  • AA: or shift the background to #a8a8a8 (4.54:1)
  • AAA: or shift the background to #d1d1d1 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #660e81 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

#660e81 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #660e81
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 #660e81 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/660e81-bd9fc1-adcb62-2d1f2a-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