Color

#ff3863

#ff3863
hex#ff3863
rgbrgb(255, 56, 99)
hslhsl(347, 100%, 61%)
oklchoklch(0.659 0.231 14.9)
Closest name: Burning Fireflies (#ff1166)Relative luminance 0.2499

Tints & shades

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

Harmonies

Complementary

Open in tool →

#38ffd4

#ff38c7 · #ff7038

#63ff38 · #3863ff

Split-complementary

Open in tool →

#38ff70 · #38c7ff

#c7ff38 · #38ffd4 · #7038ff

Contrast

#ff3863 as textRatioAAAA largeAAAFix
Aaon white
3.5:1failpassfail
  • AA: use #eb0033 as the text (4.58:1)
  • AAA: use #b30027 as the text (7.13:1)
  • AA: or shift the background to #212121 (4.6:1)
Aaon black
6:1passpassfail
  • AAA: use #ff5c7f as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ff3863 as the background.

Brands using this color

Fonts for this mood

#ff3863 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ff3863
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 #ff3863 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ff3863-c49ca0-62cb82-2d221f-f1e9ef?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