Color

#660afa

#660afa
hex#660afa
rgbrgb(102, 10, 250)
hslhsl(263, 96%, 51%)
oklchoklch(0.501 0.287 285.9)
Closest name: Electric Indigo (#6600ff)Relative luminance 0.0994

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9efa0a

#0a26fa · #de0afa

#fa660a · #0afa66

Split-complementary

Open in tool →

#fade0a · #26fa0a

#fa0a26 · #9efa0a · #0afade

Contrast

#660afa as textRatioAAAA largeAAAFix
Aaon white
7.03:1passpasspassPasses AAA — no fix needed.
Aaon black
2.99:1failfailfail
  • AA: use #8f4bfb as the text (4.57:1)
  • AAA: use #ae7dfc as the text (7.14:1)
  • AA: or shift the background to #cfcfcf (4.51:1)
  • AAA: or shift the background to #ffffff (7.03:1)

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

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

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

tool url/palettes/new/660afa-b09cc4-dfd04e-2b1f2d-e9eaf1?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