Color

#cc3a00

#cc3a00
hex#cc3a00
rgbrgb(204, 58, 0)
hslhsl(17, 100%, 40%)
oklchoklch(0.563 0.19 36.5)
Closest name: Bolognese (#bb4400)Relative luminance 0.1586

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0092cc

#cc002c · #cca000

#00cc3a · #3a00cc

Split-complementary

Open in tool →

#00cca0 · #002ccc

#2ccc00 · #0092cc · #a000cc

Contrast

#cc3a00 as textRatioAAAA largeAAAFix
Aaon white
5.03:1passpassfail
  • AAA: use #a32e00 as the text (7.12:1)
Aaon black
4.17:1failpassfail
  • AA: use #d63d00 as the text (4.53:1)
  • AAA: use #ff6224 as the text (7.02:1)
  • AA: or shift the background to #f5f5f5 (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #cc3a00 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#cc3a00 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #cc3a00
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 #cc3a00 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cc3a00-c4ac9c-62cbb6-2d291f-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