Color

#39041e

#39041e
hex#39041e
rgbrgb(57, 4, 30)
hslhsl(331, 87%, 12%)
oklchoklch(0.23 0.086 356.3)
Closest name: Vienna Roast (#330022)Relative luminance 0.0105

Colors that go with #39041e

Charcoal, Crimson 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#04391f

#390438 · #390504

#1e3904 · #041e39

Split-complementary

Open in tool →

#043905 · #043839

#383904 · #04391f · #050439

Contrast

#39041e as textRatioAAAA largeAAAFix
Aaon white
17.35:1passpasspassPasses AAA — no fix needed.
Aaon black
1.21:1failfailfail
  • AA: use #e51077 as the text (4.67:1)
  • AAA: use #f462a8 as the text (7.16:1)
  • AA: or shift the background to #828282 (4.52:1)
  • AAA: or shift the background to #a6a6a6 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #39041e 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

#39041e reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #39041e
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 #39041e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/39041e-c49cab-62cb66-2d1f20-f1e9f1?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