Color

#ecf0fd

#ecf0fd
hex#ecf0fd
rgbrgb(236, 240, 253)
hslhsl(226, 81%, 96%)
oklchoklch(0.956 0.018 272.3)
Closest name: Foundation White (#efeeff)Relative luminance 0.8724

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fdf9ed

#edf9fd · #f1edfd

#fdedf0 · #f0fded

Split-complementary

Open in tool →

#fdf1ed · #f9fded

#fdedf9 · #fdf9ed · #edfdf1

Contrast

#ecf0fd as textRatioAAAA largeAAAFix
Aaon white
1.14:1failfailfail
  • AA: use #466dec as the text (4.51:1)
  • AAA: use #1746de as the text (7.08:1)
  • AA: or shift the background to #6b6b6b (4.68:1)
  • AAA: or shift the background to #4f4f4f (7.2:1)
Aaon black
18.45:1passpasspassPasses 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 #ecf0fd as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#ecf0fd reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ecf0fd
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 #ecf0fd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ecf0fd-9ca1c4-df774e-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