Color

#290b00

#290b00
hex#290b00
rgbrgb(41, 11, 0)
hslhsl(16, 100%, 8%)
oklchoklch(0.198 0.056 45.5)
Closest name: Italian Roast (#221111)Relative luminance 0.0071

Colors that go with #290b00

Charcoal, Crimson and Royal 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 #290b00

Tints & shades

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

Harmonies

Complementary

Open in tool →

#001e29

#29000a · #291f00

#00290b · #0b0029

Split-complementary

Open in tool →

#00291f · #000a29

#0a2900 · #001e29 · #1f0029

Contrast

#290b00 as textRatioAAAA largeAAAFix
Aaon white
18.39:1passpasspassPasses AAA — no fix needed.
Aaon black
1.14:1failfailfail
  • AA: use #db3a00 as the text (4.62:1)
  • AAA: use #ff6229 as the text (7.03:1)
  • AA: or shift the background to #808080 (4.66:1)
  • AAA: or shift the background to #a1a1a1 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #290b00 as the background.

Brands using this color

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

Fonts for this mood

#290b00 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #290b00
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 #290b00 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/290b00-c4ab9c-62cbb4-2d291f-f1e9eb?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