Color

#3b130c

#3b130c
hex#3b130c
rgbrgb(59, 19, 12)
hslhsl(9, 66%, 14%)
oklchoklch(0.25 0.065 31.9)
Closest name: English Breakfast (#441111)Relative luminance 0.0142

Colors that go with #3b130c

Charcoal, Royal Blue 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0c343b

#3b0c1d · #3b2b0c

#0c3b13 · #130c3b

Split-complementary

Open in tool →

#0c3b2b · #0c1d3b

#1d3b0c · #0c343b · #2b0c3b

Contrast

#3b130c as textRatioAAAA largeAAAFix
Aaon white
16.35:1passpasspassPasses AAA — no fix needed.
Aaon black
1.28:1failfailfail
  • AA: use #d4452b as the text (4.69:1)
  • AAA: use #e07967 as the text (7.1:1)
  • AA: or shift the background to #878787 (4.55:1)
  • AAA: or shift the background to #ababab (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 #3b130c 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

#3b130c reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3b130c
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 #3b130c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3b130c-c4a79c-62cba8-2d271f-f1e9ec?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