Color

#ddecf9

#ddecf9
hex#ddecf9
rgbrgb(221, 236, 249)
hslhsl(208, 70%, 92%)
oklchoklch(0.936 0.024 244.1)
Closest name: Celestial Cathedral (#daeaf6)Relative luminance 0.822

Colors that go with #ddecf9

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 #ddecf9

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f9eadc

#dcf9f8 · #dcddf9

#f9dcec · #ecf9dc

Split-complementary

Open in tool →

#f9dcdd · #f9f8dc

#f8dcf9 · #f9eadc · #ddf9dc

Contrast

#ddecf9 as textRatioAAAA largeAAAFix
Aaon white
1.2:1failfailfail
  • AA: use #2278c3 as the text (4.62:1)
  • AAA: use #1a5b93 as the text (7.09:1)
  • AA: or shift the background to #696969 (4.56:1)
  • AAA: or shift the background to #4d4d4d (7.02:1)
Aaon black
17.44:1passpasspassPasses 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 #ddecf9 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#ddecf9 reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ddecf9
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 #ddecf9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ddecf9-9cadc4-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