Color

#ff1f57

#ff1f57
hex#ff1f57
rgbrgb(255, 31, 87)
hslhsl(345, 100%, 56%)
oklchoklch(0.643 0.246 16.1)
Closest name: Blazing Dragonfruit (#ff0054)Relative luminance 0.2293

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1fffc7

#ff1fc7 · #ff571f

#57ff1f · #1f57ff

Split-complementary

Open in tool →

#1fff57 · #1fc7ff

#c7ff1f · #1fffc7 · #571fff

Contrast

#ff1f57 as textRatioAAAA largeAAAFix
Aaon white
3.76:1failpassfail
  • AA: use #eb003b as the text (4.57:1)
  • AAA: use #b3002d as the text (7.11:1)
  • AA: or shift the background to #1c1c1c (4.53:1)
Aaon black
5.59:1passpassfail
  • AAA: use #ff5c85 as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ff1f57 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

#ff1f57 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ff1f57
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 #ff1f57 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ff1f57-c49ca1-62cb7e-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