Color

#660f48

#660f48
hex#660f48
rgbrgb(102, 15, 72)
hslhsl(321, 74%, 23%)
oklchoklch(0.349 0.132 346.3)
Closest name: Cosmic Explorer (#551155)Relative luminance 0.0363

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0f662e

#590f66 · #660f1c

#48660f · #0f4866

Split-complementary

Open in tool →

#1c660f · #0f6659

#66590f · #0f662e · #0f1c66

Contrast

#660f48 as textRatioAAAA largeAAAFix
Aaon white
12.16:1passpasspassPasses AAA — no fix needed.
Aaon black
1.73:1failfailfail
  • AA: use #d92099 as the text (4.62:1)
  • AAA: use #e868bc as the text (7.14:1)
  • AA: or shift the background to #9e9e9e (4.54:1)
  • AAA: or shift the background to #c7c7c7 (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #660f48 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

#660f48 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #660f48
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 #660f48 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/660f48-c19fb1-70cb62-2d1f22-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