Color

#f31bda

#f31bda
hex#f31bda
rgbrgb(243, 27, 218)
hslhsl(307, 90%, 53%)
oklchoklch(0.668 0.288 334.3)
Closest name: Cupid’s Eye (#ff22dd)Relative luminance 0.249

Colors that go with #f31bda

Medium Sea Green, Light Sea Green and Olive Drab lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Real palettes that use #f31bda

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1bf334

#a01bf3 · #f31b6e

#daf31b · #1bdaf3

Split-complementary

Open in tool →

#6ef31b · #1bf3a0

#f3a01b · #1bf334 · #1b6ef3

Contrast

#f31bda as textRatioAAAA largeAAAFix
Aaon white
3.51:1failpassfail
  • AA: use #d50bbe as the text (4.54:1)
  • AAA: use #a0088e as the text (7.19:1)
  • AA: or shift the background to #212121 (4.59:1)
Aaon black
5.98:1passpassfail
  • AAA: use #f64ce2 as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #f31bda 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

#f31bda reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f31bda
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #f31bda and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f31bda-c19fb9-89cb62-2d1f26-eee9f1?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