Color

#730d1c

#730d1c
hex#730d1c
rgbrgb(115, 13, 28)
hslhsl(351, 80%, 25%)
oklchoklch(0.359 0.133 20.8)
Closest name: Blood Brother (#770011)Relative luminance 0.0402

Colors that go with #730d1c

Teal, Crimson and Denim 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 →

#0d7363

#730d4f · #73300d

#1c730d · #0d1c73

Split-complementary

Open in tool →

#0d7330 · #0d4f73

#4f730d · #0d7363 · #300d73

Contrast

#730d1c as textRatioAAAA largeAAAFix
Aaon white
11.65:1passpasspassPasses AAA — no fix needed.
Aaon black
1.8:1failfailfail
  • AA: use #e61938 as the text (4.56:1)
  • AAA: use #ef6c80 as the text (7.13:1)
  • AA: or shift the background to #a1a1a1 (4.51:1)
  • AAA: or shift the background to #c9c9c9 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #730d1c 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

#730d1c reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #730d1c
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 #730d1c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/730d1c-c49c9e-62cb89-2d231f-f1e9ee?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