Color

#3b280d

#3b280d
hex#3b280d
rgbrgb(59, 40, 13)
hslhsl(35, 64%, 14%)
oklchoklch(0.294 0.049 73.2)
Closest name: Secret Passage (#372a05)Relative luminance 0.0248

Colors that go with #3b280d

Charcoal, Sienna and Steel Blue 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 #3b280d

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0d203b

#3b110d · #373b0d

#0d3b28 · #280d3b

Split-complementary

Open in tool →

#0d373b · #110d3b

#0d3b11 · #0d203b · #3b0d37

Contrast

#3b280d as textRatioAAAA largeAAAFix
Aaon white
14.04:1passpasspassPasses AAA — no fix needed.
Aaon black
1.5:1failfailfail
  • AA: use #9f6b23 as the text (4.6:1)
  • AAA: use #cd8a2d as the text (7.27:1)
  • AA: or shift the background to #949494 (4.63:1)
  • AAA: or shift the background to #b8b8b8 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3b280d 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

#3b280d reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3b280d
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 #3b280d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3b280d-c4b89c-62c0cb-2d2d1f-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