Color

#3a290d

#3a290d
hex#3a290d
rgbrgb(58, 41, 13)
hslhsl(37, 63%, 14%)
oklchoklch(0.295 0.049 77.2)
Closest name: Secret Passage (#372a05)Relative luminance 0.0251

Colors that go with #3a290d

Charcoal, Royal Blue and Sienna 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 #3a290d

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0d1e3a

#3a120d · #353a0d

#0d3a29 · #290d3a

Split-complementary

Open in tool →

#0d353a · #120d3a

#0d3a12 · #0d1e3a · #3a0d35

Contrast

#3a290d as textRatioAAAA largeAAAFix
Aaon white
13.97:1passpasspassPasses AAA — no fix needed.
Aaon black
1.5:1failfailfail
  • AA: use #9a6c23 as the text (4.54:1)
  • AAA: use #c88c2d as the text (7.24:1)
  • AA: or shift the background to #949494 (4.61:1)
  • AAA: or shift the background to #b8b8b8 (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 #3a290d as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#3a290d reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3a290d
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 #3a290d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3a290d-c4b99c-62bdcb-2c2d1f-f1eae9?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