Color

#ff4249

#ff4249
hex#ff4249
rgbrgb(255, 66, 73)
hslhsl(358, 100%, 63%)
oklchoklch(0.663 0.224 24.1)
Closest name: Blood Burst (#ff474c)Relative luminance 0.2564

Tints & shades

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

Harmonies

Complementary

Open in tool →

#42fff9

#ff42a7 · #ff9a42

#49ff42 · #4249ff

Split-complementary

Open in tool →

#42ff9a · #42a7ff

#a7ff42 · #42fff9 · #9a42ff

Contrast

#ff4249 as textRatioAAAA largeAAAFix
Aaon white
3.43:1failpassfail
  • AA: use #eb0008 as the text (4.63:1)
  • AAA: use #b30006 as the text (7.19:1)
  • AA: or shift the background to #242424 (4.53:1)
Aaon black
6.13:1passpassfail
  • AAA: use #ff6166 as the text (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ff4249 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

#ff4249 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ff4249
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 #ff4249 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ff4249-c49f9c-62cb95-2d251f-f1e9ed?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