Color

#660ec4

#660ec4
hex#660ec4
rgbrgb(102, 14, 196)
hslhsl(269, 87%, 41%)
oklchoklch(0.446 0.236 295.6)
Closest name: Blurple (#5539cc)Relative luminance 0.0712

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6cc40e

#0e11c4 · #c00ec4

#c4660e · #0ec466

Split-complementary

Open in tool →

#c4c00e · #11c40e

#c40e11 · #6cc40e · #0ec4c0

Contrast

#660ec4 as textRatioAAAA largeAAAFix
Aaon white
8.66:1passpasspassPasses AAA — no fix needed.
Aaon black
2.42:1failfailfail
  • AA: use #9b4af2 as the text (4.66:1)
  • AAA: use #b679f6 as the text (7.05:1)
  • AA: or shift the background to #bdbdbd (4.61:1)
  • AAA: or shift the background to #e8e8e8 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #660ec4 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

#660ec4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #660ec4
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 #660ec4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/660ec4-b49cc4-cbcb62-2c1f2d-e9e9f1?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