Color

#b42613

#b42613
hex#b42613
rgbrgb(180, 38, 19)
hslhsl(7, 81%, 39%)
oklchoklch(0.502 0.181 31.1)
Closest name: Bloodshed (#ba271a)Relative luminance 0.1114

Colors that go with #b42613

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#13a1b4

#b41351 · #b47613

#13b426 · #2613b4

Split-complementary

Open in tool →

#13b476 · #1351b4

#51b413 · #13a1b4 · #7613b4

Contrast

#b42613 as textRatioAAAA largeAAAFix
Aaon white
6.51:1passpassfail
  • AAA: use #ab2412 as the text (7.02:1)
Aaon black
3.23:1failpassfail
  • AA: use #de2e17 as the text (4.51:1)
  • AAA: use #ee6e5d as the text (7.02:1)
  • AA: or shift the background to #d9d9d9 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b42613 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#b42613 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b42613
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 #b42613 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b42613-c4a59c-62cba4-2d271f-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