Color

#b1350b

#b1350b
hex#b1350b
rgbrgb(177, 53, 11)
hslhsl(15, 88%, 37%)
oklchoklch(0.511 0.167 36.4)
Closest name: Rust (#b7410e)Relative luminance 0.1192

Colors that go with #b1350b

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 #b1350b

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0b88b1

#b10b35 · #b1880b

#0bb135 · #350bb1

Split-complementary

Open in tool →

#0bb188 · #0b35b1

#35b10b · #0b88b1 · #880bb1

Contrast

#b1350b as textRatioAAAA largeAAAFix
Aaon white
6.21:1passpassfail
  • AAA: use #9e2f0a as the text (7.33:1)
Aaon black
3.38:1failpassfail
  • AA: use #d8400e as the text (4.66:1)
  • AAA: use #f36c3f as the text (7.03:1)
  • AA: or shift the background to #dedede (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 #b1350b 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

#b1350b reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b1350b
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 #b1350b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b1350b-c4ab9c-62cbb2-2d291f-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