Color

#c13815

#c13815
hex#c13815
rgbrgb(193, 56, 21)
hslhsl(12, 80%, 42%)
oklchoklch(0.542 0.179 34.5)
Closest name: Rust (#b7410e)Relative luminance 0.1422

Colors that go with #c13815

Charcoal, Royal Blue and Sea Green 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 #c13815

Tints & shades

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

Harmonies

Complementary

Open in tool →

#159fc1

#c11549 · #c18d15

#15c138 · #3815c1

Split-complementary

Open in tool →

#15c18d · #1549c1

#49c115 · #159fc1 · #8d15c1

Contrast

#c13815 as textRatioAAAA largeAAAFix
Aaon white
5.46:1passpassfail
  • AAA: use #a12e12 as the text (7.2:1)
Aaon black
3.84:1failpassfail
  • AA: use #d83e18 as the text (4.62:1)
  • AAA: use #ec7051 as the text (7:1)
  • AA: or shift the background to #ebebeb (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #c13815 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#c13815 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c13815
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 #c13815 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c13815-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