Color

#b5340d

#b5340d
hex#b5340d
rgbrgb(181, 52, 13)
hslhsl(14, 87%, 38%)
oklchoklch(0.517 0.172 35.5)
Closest name: Bloodshed (#ba271a)Relative luminance 0.1231

Colors that go with #b5340d

Royal Blue, Sea Green 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.

Real palettes that use #b5340d

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0d8eb5

#b50d3a · #b5880d

#0db534 · #340db5

Split-complementary

Open in tool →

#0db588 · #0d3ab5

#3ab50d · #0d8eb5 · #880db5

Contrast

#b5340d as textRatioAAAA largeAAAFix
Aaon white
6.07:1passpassfail
  • AAA: use #a22e0b as the text (7.16:1)
Aaon black
3.46:1failpassfail
  • AA: use #d73e0f as the text (4.59:1)
  • AAA: use #f26d45 as the text (7.05:1)
  • AA: or shift the background to #dedede (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b5340d 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

#b5340d reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b5340d
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 #b5340d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b5340d-c4aa9c-62cbb1-2d291f-f1e9eb?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