Color

#ecf5fd

#ecf5fd
hex#ecf5fd
rgbrgb(236, 245, 253)
hslhsl(208, 81%, 96%)
oklchoklch(0.966 0.014 244.7)
Closest name: aliceblue (#f0f8ff)Relative luminance 0.9023

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fdf4ed

#edfdfd · #ededfd

#fdedf5 · #f5fded

Split-complementary

Open in tool →

#fdeded · #fdfded

#fdedfd · #fdf4ed · #edfded

Contrast

#ecf5fd as textRatioAAAA largeAAAFix
Aaon white
1.1:1failfailfail
  • AA: use #1576cb as the text (4.68:1)
  • AAA: use #105998 as the text (7.23:1)
  • AA: or shift the background to #6e6e6e (4.62:1)
  • AAA: or shift the background to #525252 (7.09:1)
Aaon black
19.05:1passpasspassPasses 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 #ecf5fd as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#ecf5fd reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ecf5fd
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 #ecf5fd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ecf5fd-9cadc4-df4e51-1f212d-e9f1f1?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