Color

#f3f4fc

#f3f4fc
hex#f3f4fc
rgbrgb(243, 244, 252)
hslhsl(233, 60%, 97%)
oklchoklch(0.969 0.011 280.5)
Closest name: Cotton Ball (#f2f7fd)Relative luminance 0.9078

Colors that go with #f3f4fc

Charcoal, Amber and 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.

Real palettes that use #f3f4fc

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fcfbf3

#f3f8fc · #f6f3fc

#fcf3f4 · #f4fcf3

Split-complementary

Open in tool →

#fcf6f3 · #f8fcf3

#fcf3f8 · #fcfbf3 · #f3fcf6

Contrast

#f3f4fc as textRatioAAAA largeAAAFix
Aaon white
1.1:1failfailfail
  • AA: use #5c6ad6 as the text (4.68:1)
  • AAA: use #3749cd as the text (7.01:1)
  • AA: or shift the background to #707070 (4.52:1)
  • AAA: or shift the background to #525252 (7.13:1)
Aaon black
19.16:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #f3f4fc as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#f3f4fc reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f3f4fc
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 #f3f4fc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f3f4fc-9c9cc4-df884e-241f2d-e9eef1?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