Color

#66331e

#66331e
hex#66331e
rgbrgb(102, 51, 30)
hslhsl(18, 55%, 26%)
oklchoklch(0.383 0.08 42.4)
Closest name: Arcane Red (#6a2f2f)Relative luminance 0.0529

Colors that go with #66331e

Teal, Blue and Copper lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Real palettes that use #66331e

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1e5167

#671e2c · #67581e

#1e6734 · #341e67

Split-complementary

Open in tool →

#1e6758 · #1e2c67

#2c671e · #1e5167 · #581e67

Contrast

#66331e as textRatioAAAA largeAAAFix
Aaon white
10.21:1passpasspassPasses AAA — no fix needed.
Aaon black
2.06:1failfailfail
  • AA: use #b65b35 as the text (4.54:1)
  • AAA: use #d18361 as the text (7.13:1)
  • AA: or shift the background to #adadad (4.55:1)
  • AAA: or shift the background to #d6d6d6 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #66331e 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

#66331e reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #66331e
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #66331e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/66331e-c4ad9c-62cbb8-2d291f-f1e9eb?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