Color

#660f28

#660f28
hex#660f28
rgbrgb(102, 15, 40)
hslhsl(343, 74%, 23%)
oklchoklch(0.337 0.119 10.6)
Closest name: Merguez (#650021)Relative luminance 0.0332

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0f664d

#660f53 · #66220f

#28660f · #0f2866

Split-complementary

Open in tool →

#0f6622 · #0f5366

#53660f · #0f664d · #220f66

Contrast

#660f28 as textRatioAAAA largeAAAFix
Aaon white
12.62:1passpasspassPasses AAA — no fix needed.
Aaon black
1.66:1failfailfail
  • AA: use #df265a as the text (4.56:1)
  • AAA: use #e96d90 as the text (7.05:1)
  • AA: or shift the background to #9c9c9c (4.6:1)
  • AAA: or shift the background to #c2c2c2 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #660f28 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

#660f28 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #660f28
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 #660f28 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/660f28-c49ca3-62cb7b-2d211f-f1e9ef?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