Color

#cb3701

#cb3701
hex#cb3701
rgbrgb(203, 55, 1)
hslhsl(16, 99%, 40%)
oklchoklch(0.558 0.192 35.8)
Closest name: Bolognese (#bb4400)Relative luminance 0.1543

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0195cb

#cb0130 · #cb9c01

#01cb37 · #3701cb

Split-complementary

Open in tool →

#01cb9c · #0130cb

#30cb01 · #0195cb · #9c01cb

Contrast

#cb3701 as textRatioAAAA largeAAAFix
Aaon white
5.14:1passpassfail
  • AAA: use #a22c01 as the text (7.25:1)
Aaon black
4.09:1failpassfail
  • AA: use #da3b01 as the text (4.61:1)
  • AAA: use #fe662f as the text (7.16:1)
  • AA: or shift the background to #f0f0f0 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #cb3701 as the background.

Brands using this color

Fonts for this mood

#cb3701 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #cb3701
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #cb3701 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cb3701-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