Color

#660481

#660481
hex#660481
rgbrgb(102, 4, 129)
hslhsl(287, 94%, 26%)
oklchoklch(0.38 0.183 316.3)
Closest name: Extraviolet (#661188)Relative luminance 0.045

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1f8104

#270481 · #81045d

#816604 · #048166

Split-complementary

Open in tool →

#5d8104 · #048127

#812704 · #1f8104 · #045d81

Contrast

#660481 as textRatioAAAA largeAAAFix
Aaon white
11.06:1passpasspassPasses AAA — no fix needed.
Aaon black
1.9:1failfailfail
  • AA: use #c007f2 as the text (4.55:1)
  • AAA: use #d961fa as the text (7.04:1)
  • AA: or shift the background to #a6a6a6 (4.54:1)
  • AAA: or shift the background to #cfcfcf (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #660481 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

#660481 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #660481
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 #660481 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/660481-bd9fc1-abcb62-2d1f2a-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