Color

#670404

#670404
hex#670404
rgbrgb(103, 4, 4)
hslhsl(0, 93%, 21%)
oklchoklch(0.326 0.129 28.5)
Closest name: Rosewood (#65000b)Relative luminance 0.0298

Colors that go with #670404

Teal, 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 →

#046767

#670436 · #673604

#046704 · #040467

Split-complementary

Open in tool →

#046736 · #043667

#366704 · #046767 · #360467

Contrast

#670404 as textRatioAAAA largeAAAFix
Aaon white
13.16:1passpasspassPasses AAA — no fix needed.
Aaon black
1.6:1failfailfail
  • AA: use #ec0909 as the text (4.61:1)
  • AAA: use #f96666 as the text (7.12:1)
  • AA: or shift the background to #999999 (4.62:1)
  • AAA: or shift the background to #bdbdbd (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #670404 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

#670404 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #670404
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 #670404 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/670404-c4a19c-62cb98-2d251f-f1e9ed?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