Color

#cd3f18

#cd3f18
hex#cd3f18
rgbrgb(205, 63, 24)
hslhsl(13, 79%, 45%)
oklchoklch(0.57 0.185 35.2)
Closest name: Bolognese (#bb4400)Relative luminance 0.166

Tints & shades

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

Harmonies

Complementary

Open in tool →

#18a6cd

#cd184b · #cd9a18

#18cd3f · #3f18cd

Split-complementary

Open in tool →

#18cd9a · #184bcd

#4bcd18 · #18a6cd · #9a18cd

Contrast

#cd3f18 as textRatioAAAA largeAAAFix
Aaon white
4.86:1passpassfail
  • AAA: use #a03113 as the text (7.13:1)
Aaon black
4.32:1failpassfail
  • AA: use #d24119 as the text (4.51:1)
  • AAA: use #eb7352 as the text (7.11:1)
  • AA: or shift the background to #f7f7f7 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #cd3f18 as the background.

Brands using this color

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

Fonts for this mood

#cd3f18 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #cd3f18
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 #cd3f18 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cd3f18-c4a99c-62cbaf-2d281f-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