Color

#1b040c

#1b040c
hex#1b040c
rgbrgb(27, 4, 12)
hslhsl(339, 74%, 6%)
oklchoklch(0.157 0.045 359.5)
Closest name: Crow (#180614)Relative luminance 0.0035

Colors that go with #1b040c

Charcoal, Rust and Sea Green 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 #1b040c

Tints & shades

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

Harmonies

Complementary

Open in tool →

#041b13

#1b0417 · #1b0704

#0c1b04 · #040c1b

Split-complementary

Open in tool →

#041b07 · #04171b

#171b04 · #041b13 · #07041b

Contrast

#1b040c as textRatioAAAA largeAAAFix
Aaon white
19.64:1passpasspassPasses AAA — no fix needed.
Aaon black
1.07:1failfailfail
  • AA: use #de2163 as the text (4.5:1)
  • AAA: use #e96d98 as the text (7.11:1)
  • AA: or shift the background to #7a7a7a (4.58:1)
  • AAA: or shift the background to #9c9c9c (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1b040c 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

#1b040c reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1b040c
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 #1b040c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1b040c-c49ca5-62cb74-2d211f-f1e9f0?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