Color

#cb3e01

#cb3e01
hex#cb3e01
rgbrgb(203, 62, 1)
hslhsl(18, 99%, 40%)
oklchoklch(0.565 0.186 37.6)
Closest name: Bolognese (#bb4400)Relative luminance 0.1614

Colors that go with #cb3e01

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 #cb3e01

Tints & shades

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

Harmonies

Complementary

Open in tool →

#018ecb

#cb0129 · #cba301

#01cb3e · #3e01cb

Split-complementary

Open in tool →

#01cba3 · #0129cb

#29cb01 · #018ecb · #a301cb

Contrast

#cb3e01 as textRatioAAAA largeAAAFix
Aaon white
4.97:1passpassfail
  • AAA: use #a23101 as the text (7.06:1)
Aaon black
4.23:1failpassfail
  • AA: use #d54101 as the text (4.59:1)
  • AAA: use #fe6625 as the text (7.14:1)
  • AA: or shift the background to #f5f5f5 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #cb3e01 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#cb3e01 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #cb3e01
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 #cb3e01 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cb3e01-c4ad9c-62cbb8-2d291f-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