Color

#cd3e0a

#cd3e0a
hex#cd3e0a
rgbrgb(205, 62, 10)
hslhsl(16, 91%, 42%)
oklchoklch(0.569 0.187 36.6)
Closest name: Bolognese (#bb4400)Relative luminance 0.1645

Colors that go with #cd3e0a

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 #cd3e0a

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0a99cd

#cd0a37 · #cd9f0a

#0acd3e · #3e0acd

Split-complementary

Open in tool →

#0acd9f · #0a37cd

#37cd0a · #0a99cd · #9f0acd

Contrast

#cd3e0a as textRatioAAAA largeAAAFix
Aaon white
4.9:1passpassfail
  • AAA: use #a13008 as the text (7.14:1)
Aaon black
4.29:1failpassfail
  • AA: use #d6410a as the text (4.62:1)
  • AAA: use #f66a37 as the text (7.04:1)
  • AA: or shift the background to #f7f7f7 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #cd3e0a as the background.

Brands using this color

Fonts for this mood

#cd3e0a reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #cd3e0a
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 #cd3e0a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cd3e0a-c4ab9c-62cbb4-2d291f-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