Color

#ecf1fd

#ecf1fd
hex#ecf1fd
rgbrgb(236, 241, 253)
hslhsl(222, 81%, 96%)
oklchoklch(0.958 0.017 267.8)
Closest name: Cotton Boll (#e7effb)Relative luminance 0.8784

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fdf8ed

#edfafd · #f0edfd

#fdedf1 · #f1fded

Split-complementary

Open in tool →

#fdf0ed · #fafded

#fdedfa · #fdf8ed · #edfdf0

Contrast

#ecf1fd as textRatioAAAA largeAAAFix
Aaon white
1.13:1failfailfail
  • AA: use #396eea as the text (4.57:1)
  • AAA: use #154ccb as the text (7.17:1)
  • AA: or shift the background to #6e6e6e (4.51:1)
  • AAA: or shift the background to #4f4f4f (7.24:1)
Aaon black
18.57:1passpasspassPasses 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 #ecf1fd as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#ecf1fd reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ecf1fd
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 #ecf1fd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ecf1fd-9ca3c4-df6e4e-211f2d-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