Color

#f3f5fc

#f3f5fc
hex#f3f5fc
rgbrgb(243, 245, 252)
hslhsl(227, 60%, 97%)
oklchoklch(0.971 0.01 273.4)
Closest name: Cotton Ball (#f2f7fd)Relative luminance 0.9139

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fcfaf3

#f3f9fc · #f5f3fc

#fcf3f5 · #f5fcf3

Split-complementary

Open in tool →

#fcf5f3 · #f9fcf3

#fcf3f9 · #fcfaf3 · #f3fcf5

Contrast

#f3f5fc as textRatioAAAA largeAAAFix
Aaon white
1.09:1failfailfail
  • AA: use #546fd4 as the text (4.56:1)
  • AAA: use #2f4dbc as the text (7.22:1)
  • AA: or shift the background to #707070 (4.55:1)
  • AAA: or shift the background to #525252 (7.17:1)
Aaon black
19.28:1passpasspassPasses 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 #f3f5fc as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#f3f5fc reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f3f5fc
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 #f3f5fc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f3f5fc-9ca0c4-df7a4e-221f2d-e9eff1?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