Color

#660506

#660506
hex#660506
rgbrgb(102, 5, 6)
hslhsl(359, 91%, 21%)
oklchoklch(0.324 0.128 28)
Closest name: Rosewood (#65000b)Relative luminance 0.0295

Tints & shades

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

Harmonies

Complementary

Open in tool →

#056665

#660537 · #663405

#066605 · #050666

Split-complementary

Open in tool →

#056634 · #053766

#376605 · #056665 · #340566

Contrast

#660506 as textRatioAAAA largeAAAFix
Aaon white
13.21:1passpasspassPasses AAA — no fix needed.
Aaon black
1.59:1failfailfail
  • AA: use #ea0b0f as the text (4.55:1)
  • AAA: use #f8686a as the text (7.18:1)
  • AA: or shift the background to #999999 (4.64:1)
  • AAA: or shift the background to #bdbdbd (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #660506 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

#660506 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #660506
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 #660506 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/660506-c4a09c-62cb96-2d251f-f1e9ed?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