Color

#3d280b

#3d280b
hex#3d280b
rgbrgb(61, 40, 11)
hslhsl(35, 69%, 14%)
oklchoklch(0.296 0.053 71.7)
Closest name: Secret Passage (#372a05)Relative luminance 0.0253

Colors that go with #3d280b

Charcoal, Rust 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 #3d280b

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0b203c

#3c0f0b · #383c0b

#0b3c28 · #280b3c

Split-complementary

Open in tool →

#0b383c · #0f0b3c

#0b3c0f · #0b203c · #3c0b38

Contrast

#3d280b as textRatioAAAA largeAAAFix
Aaon white
13.94:1passpasspassPasses AAA — no fix needed.
Aaon black
1.51:1failfailfail
  • AA: use #9f691d as the text (4.51:1)
  • AAA: use #cf8826 as the text (7.2:1)
  • AA: or shift the background to #949494 (4.59:1)
  • AAA: or shift the background to #b8b8b8 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d280b 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

#3d280b reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d280b
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 #3d280b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d280b-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