Color

#660f4c

#660f4c
hex#660f4c
rgbrgb(102, 15, 76)
hslhsl(318, 74%, 23%)
oklchoklch(0.351 0.135 343.6)
Closest name: Cosmic Explorer (#551155)Relative luminance 0.0369

Colors that go with #660f4c

Crimson, Sea Green and Cream 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 →

#0f6629

#550f66 · #660f21

#4c660f · #0f4c66

Split-complementary

Open in tool →

#21660f · #0f6655

#66550f · #0f6629 · #0f2166

Contrast

#660f4c as textRatioAAAA largeAAAFix
Aaon white
12.09:1passpasspassPasses AAA — no fix needed.
Aaon black
1.74:1failfailfail
  • AA: use #d5209f as the text (4.54:1)
  • AAA: use #e864c0 as the text (7.02:1)
  • AA: or shift the background to #9e9e9e (4.51:1)
  • AAA: or shift the background to #c7c7c7 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #660f4c 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

#660f4c reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #660f4c
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 #660f4c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/660f4c-c19fb3-75cb62-2d1f23-f0e9f1?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