Color

#f31bb9

#f31bb9
hex#f31bb9
rgbrgb(243, 27, 185)
hslhsl(316, 90%, 53%)
oklchoklch(0.652 0.269 343.2)
Closest name: Brutal Pink (#ff00bb)Relative luminance 0.2334

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1bf355

#c11bf3 · #f31b4e

#b9f31b · #1bb9f3

Split-complementary

Open in tool →

#4ef31b · #1bf3c1

#f3c11b · #1bf355 · #1b4ef3

Contrast

#f31bb9 as textRatioAAAA largeAAAFix
Aaon white
3.7:1failpassfail
  • AA: use #da0ba3 as the text (4.61:1)
  • AAA: use #a5097b as the text (7.18:1)
  • AA: or shift the background to #1c1c1c (4.6:1)
Aaon black
5.67:1passpassfail
  • AAA: use #f655cb as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #f31bb9 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

#f31bb9 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f31bb9
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 #f31bb9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f31bb9-c19fb4-79cb62-2d1f23-efe9f1?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