Color

#3d673c

#3d673c
hex#3d673c
rgbrgb(61, 103, 60)
hslhsl(119, 26%, 32%)
oklchoklch(0.471 0.083 143.6)
Closest name: Greenhouse (#3e6334)Relative luminance 0.1102

Colors that go with #3d673c

Charcoal, Royal 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#663c67

#52673c · #3c6751

#3c3d67 · #673c3d

Split-complementary

Open in tool →

#513c67 · #673c52

#3c5267 · #663c67 · #67513c

Contrast

#3d673c as textRatioAAAA largeAAAFix
Aaon white
6.55:1passpassfail
  • AAA: use #396039 as the text (7.23:1)
Aaon black
3.2:1failpassfail
  • AA: use #4c814b as the text (4.55:1)
  • AAA: use #66a465 as the text (7.06:1)
  • AA: or shift the background to #d6d6d6 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d673c as the background.

Brands using this color

mcpConnect your agent — build around #3d673c
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 #3d673c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d673c-a2bea5-964edf-1f2d25-edf1e9?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