Color

#2d280b

#2d280b
hex#2d280b
rgbrgb(45, 40, 11)
hslhsl(51, 61%, 11%)
oklchoklch(0.275 0.045 99.6)
Closest name: Secret Passage (#372a05)Relative luminance 0.021

Colors that go with #2d280b

Charcoal, Sienna and Slate 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 #2d280b

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0b102d

#2d170b · #212d0b

#0b2d28 · #280b2d

Split-complementary

Open in tool →

#0b212d · #170b2d

#0b2d17 · #0b102d · #2d0b21

Contrast

#2d280b as textRatioAAAA largeAAAFix
Aaon white
14.79:1passpasspassPasses AAA — no fix needed.
Aaon black
1.42:1failfailfail
  • AA: use #877821 as the text (4.74:1)
  • AAA: use #ac992a as the text (7.34:1)
  • AA: or shift the background to #8f8f8f (4.57:1)
  • AAA: or shift the background to #b3b3b3 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d280b as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2d280b reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d280b
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 #2d280b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d280b-c4c29c-4eaadf-292d1f-f1ece9?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