Color

#d1deef

#d1deef
hex#d1deef
rgbrgb(209, 222, 239)
hslhsl(214, 48%, 88%)
oklchoklch(0.896 0.027 255.1)
Closest name: Cold Shoulder (#d4e0ef)Relative luminance 0.7203

Colors that go with #d1deef

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#efe2d2

#d2edef · #d4d2ef

#efd2de · #deefd2

Split-complementary

Open in tool →

#efd4d2 · #edefd2

#efd2ed · #efe2d2 · #d2efd4

Contrast

#d1deef as textRatioAAAA largeAAAFix
Aaon white
1.36:1failfailfail
  • AA: use #4277bd as the text (4.56:1)
  • AAA: use #31588c as the text (7.23:1)
  • AA: or shift the background to #616161 (4.54:1)
  • AAA: or shift the background to #454545 (7.03:1)
Aaon black
15.41:1passpasspassPasses 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 #d1deef as the background.

Brands using this color

Fonts for this mood

#d1deef reads as cool, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d1deef
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 #d1deef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d1deef-9ca9c4-df5a4e-1f1f2d-e9f0f1?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