Color

#660a44

#660a44
hex#660a44
rgbrgb(102, 10, 68)
hslhsl(322, 82%, 22%)
oklchoklch(0.344 0.134 348.7)
Closest name: Cosmic Explorer (#551155)Relative luminance 0.0346

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0a662c

#5a0a66 · #660a16

#44660a · #0a4466

Split-complementary

Open in tool →

#16660a · #0a665a

#665a0a · #0a662c · #0a1666

Contrast

#660a44 as textRatioAAAA largeAAAFix
Aaon white
12.41:1passpasspassPasses AAA — no fix needed.
Aaon black
1.69:1failfailfail
  • AA: use #da1692 as the text (4.51:1)
  • AAA: use #ef61bb as the text (7.1:1)
  • AA: or shift the background to #9c9c9c (4.52:1)
  • AAA: or shift the background to #c4c4c4 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #660a44 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

#660a44 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #660a44
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 #660a44 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/660a44-c19fb1-6ecb62-2d1f22-f0e9f1?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