Color

#fb3765

#fb3765
hex#fb3765
rgbrgb(251, 55, 101)
hslhsl(346, 96%, 60%)
oklchoklch(0.652 0.228 13.7)
Closest name: Bat’s Blood Soup (#ee3366)Relative luminance 0.2418

Colors that go with #fb3765

Charcoal, Dodger Blue and Cadet Blue 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#37fbcd

#fb37c7 · #fb6b37

#65fb37 · #3765fb

Split-complementary

Open in tool →

#37fb6b · #37c7fb

#c7fb37 · #37fbcd · #6b37fb

Contrast

#fb3765 as textRatioAAAA largeAAAFix
Aaon white
3.6:1failpassfail
  • AA: use #eb053a as the text (4.55:1)
  • AAA: use #b4042d as the text (7.01:1)
  • AA: or shift the background to #1f1f1f (4.58:1)
Aaon black
5.84:1passpassfail
  • AAA: use #fc5f84 as the text (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #fb3765 as the background.

Brands using this color

Fonts for this mood

#fb3765 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fb3765
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 #fb3765 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fb3765-c49ca1-62cb80-2d221f-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