Color

#ff4252

#ff4252
hex#ff4252
rgbrgb(255, 66, 82)
hslhsl(355, 100%, 63%)
oklchoklch(0.664 0.223 21.5)
Closest name: Blood Burst (#ff474c)Relative luminance 0.2577

Tints & shades

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

Harmonies

Complementary

Open in tool →

#42ffef

#ff42b0 · #ff9142

#52ff42 · #4252ff

Split-complementary

Open in tool →

#42ff91 · #42b0ff

#b0ff42 · #42ffef · #9142ff

Contrast

#ff4252 as textRatioAAAA largeAAAFix
Aaon white
3.41:1failpassfail
  • AA: use #eb0014 as the text (4.62:1)
  • AAA: use #b3000f as the text (7.18:1)
  • AA: or shift the background to #242424 (4.55:1)
Aaon black
6.15:1passpassfail
  • AAA: use #ff616e as the text (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ff4252 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

#ff4252 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ff4252
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 #ff4252 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ff4252-c49e9c-62cb8f-2d241f-f1e9ee?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