Color

#660288

#660288
hex#660288
rgbrgb(102, 2, 136)
hslhsl(285, 97%, 27%)
oklchoklch(0.385 0.19 313.7)
Closest name: Extraviolet (#661188)Relative luminance 0.0465

Colors that go with #660288

Forest Green, Charcoal and Sea 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 →

#238802

#230288 · #880266

#886602 · #028866

Split-complementary

Open in tool →

#668802 · #028823

#882302 · #238802 · #026688

Contrast

#660288 as textRatioAAAA largeAAAFix
Aaon white
10.89:1passpasspassPasses AAA — no fix needed.
Aaon black
1.93:1failfailfail
  • AA: use #bd04fb as the text (4.57:1)
  • AAA: use #d663fd as the text (7.06:1)
  • AA: or shift the background to #a8a8a8 (4.58:1)
  • AAA: or shift the background to #d1d1d1 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #660288 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

#660288 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #660288
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 #660288 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/660288-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