Color

#b13d20

#b13d20
hex#b13d20
rgbrgb(177, 61, 32)
hslhsl(12, 69%, 41%)
oklchoklch(0.521 0.157 35)
Closest name: Rust (#b7410e)Relative luminance 0.1279

Colors that go with #b13d20

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 #b13d20

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2094b1

#b1204c · #b18520

#20b13d · #3d20b1

Split-complementary

Open in tool →

#20b185 · #204cb1

#4cb120 · #2094b1 · #8520b1

Contrast

#b13d20 as textRatioAAAA largeAAAFix
Aaon white
5.9:1passpassfail
  • AAA: use #9b361c as the text (7.15:1)
Aaon black
3.56:1failpassfail
  • AA: use #cf4826 as the text (4.61:1)
  • AAA: use #e27a60 as the text (7.19:1)
  • AA: or shift the background to #e3e3e3 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b13d20 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#b13d20 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b13d20
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 #b13d20 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b13d20-c4a99c-62cbad-2d281f-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