Color

#660f4f

#660f4f
hex#660f4f
rgbrgb(102, 15, 79)
hslhsl(316, 74%, 23%)
oklchoklch(0.352 0.137 341.6)
Closest name: Cosmic Explorer (#551155)Relative luminance 0.0373

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0f6626

#520f66 · #660f24

#4f660f · #0f4f66

Split-complementary

Open in tool →

#24660f · #0f6652

#66520f · #0f6626 · #0f2466

Contrast

#660f4f as textRatioAAAA largeAAAFix
Aaon white
12.03:1passpasspassPasses AAA — no fix needed.
Aaon black
1.75:1failfailfail
  • AA: use #d520a5 as the text (4.58:1)
  • AAA: use #e864c5 as the text (7.06:1)
  • AA: or shift the background to #a1a1a1 (4.65:1)
  • AAA: or shift the background to #c7c7c7 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #660f4f 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

#660f4f reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #660f4f
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 #660f4f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/660f4f-c19fb4-79cb62-2d1f23-efe9f1?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