Color

#663a2e

#663a2e
hex#663a2e
rgbrgb(102, 58, 46)
hslhsl(13, 38%, 29%)
oklchoklch(0.399 0.066 36.1)
Closest name: Brunette (#664238)Relative luminance 0.0605

Colors that go with #663a2e

Teal, Copper and Crimson 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 #663a2e

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2e5a66

#662e3e · #66562e

#2e663a · #3a2e66

Split-complementary

Open in tool →

#2e6656 · #2e3e66

#3e662e · #2e5a66 · #562e66

Contrast

#663a2e as textRatioAAAA largeAAAFix
Aaon white
9.5:1passpasspassPasses AAA — no fix needed.
Aaon black
2.21:1failfailfail
  • AA: use #ac624d as the text (4.61:1)
  • AAA: use #c38979 as the text (7.17:1)
  • AA: or shift the background to #b3b3b3 (4.53:1)
  • AAA: or shift the background to #dedede (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #663a2e 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

#663a2e reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #663a2e
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 #663a2e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/663a2e-c4a99c-62cbaf-2d281f-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