Color

#660684

#660684
hex#660684
rgbrgb(102, 6, 132)
hslhsl(286, 91%, 27%)
oklchoklch(0.384 0.184 315)
Closest name: Extraviolet (#661188)Relative luminance 0.0462

Tints & shades

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

Harmonies

Complementary

Open in tool →

#238406

#280684 · #840662

#846606 · #068466

Split-complementary

Open in tool →

#628406 · #068428

#842806 · #238406 · #066284

Contrast

#660684 as textRatioAAAA largeAAAFix
Aaon white
10.91:1passpasspassPasses AAA — no fix needed.
Aaon black
1.92:1failfailfail
  • AA: use #bd0bf4 as the text (4.52:1)
  • AAA: use #d668f8 as the text (7.19:1)
  • AA: or shift the background to #a8a8a8 (4.59:1)
  • AAA: or shift the background to #cfcfcf (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #660684 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

#660684 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #660684
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #660684 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/660684-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