Color

#660a85

#660a85
hex#660a85
rgbrgb(102, 10, 133)
hslhsl(285, 86%, 28%)
oklchoklch(0.386 0.183 314.5)
Closest name: Extraviolet (#661188)Relative luminance 0.0474

Colors that go with #660a85

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 →

#29850a

#290a85 · #850a66

#85660a · #0a8566

Split-complementary

Open in tool →

#66850a · #0a8529

#85290a · #29850a · #0a6685

Contrast

#660a85 as textRatioAAAA largeAAAFix
Aaon white
10.79:1passpasspassPasses AAA — no fix needed.
Aaon black
1.95:1failfailfail
  • AA: use #bb20ee as the text (4.55:1)
  • AAA: use #d26cf4 as the text (7.19:1)
  • AA: or shift the background to #a8a8a8 (4.54:1)
  • AAA: or shift the background to #d1d1d1 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #660a85 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

#660a85 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #660a85
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 #660a85 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/660a85-bc9fc1-afcb62-2d1f2b-ebe9f1?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