Color

#660a3d

#660a3d
hex#660a3d
rgbrgb(102, 10, 61)
hslhsl(327, 82%, 22%)
oklchoklch(0.341 0.13 353.7)
Closest name: Merguez (#650021)Relative luminance 0.0338

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0a6633

#620a66 · #660a0f

#3d660a · #0a3d66

Split-complementary

Open in tool →

#0f660a · #0a6662

#66620a · #0a6633 · #0a0f66

Contrast

#660a3d as textRatioAAAA largeAAAFix
Aaon white
12.53:1passpasspassPasses AAA — no fix needed.
Aaon black
1.68:1failfailfail
  • AA: use #df1684 as the text (4.59:1)
  • AAA: use #f066b2 as the text (7.25:1)
  • AA: or shift the background to #9c9c9c (4.56:1)
  • AAA: or shift the background to #c2c2c2 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #660a3d 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

#660a3d reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #660a3d
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 #660a3d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/660a3d-c19fae-66cb62-2d1f21-f1e9f1?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