Color

#660a4f

#660a4f
hex#660a4f
rgbrgb(102, 10, 79)
hslhsl(315, 82%, 22%)
oklchoklch(0.349 0.141 341.4)
Closest name: Cosmic Explorer (#551155)Relative luminance 0.0361

Colors that go with #660a4f

Sea Green, Teal and Forest 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.

Real palettes that use #660a4f

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#0a6621

#4f0a66 · #660a21

#4f660a · #0a4f66

Split-complementary

Open in tool →

#21660a · #0a664f

#664f0a · #0a6621 · #0a2166

Contrast

#660a4f as textRatioAAAA largeAAAFix
Aaon white
12.2:1passpasspassPasses AAA — no fix needed.
Aaon black
1.72:1failfailfail
  • AA: use #da16a9 as the text (4.67:1)
  • AAA: use #ef5dca as the text (7.09:1)
  • AA: or shift the background to #9e9e9e (4.55:1)
  • AAA: or shift the background to #c7c7c7 (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #660a4f 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

#660a4f reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #660a4f
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 #660a4f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/660a4f-c19fb4-7bcb62-2d1f24-efe9f1?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