Color

#cdd3ef

#cdd3ef
hex#cdd3ef
rgbrgb(205, 211, 239)
hslhsl(229, 52%, 87%)
oklchoklch(0.871 0.039 276)
Closest name: Frozen Periwinkle (#c9d1ef)Relative luminance 0.658

Colors that go with #cdd3ef

Charcoal, Dark Khaki and Amber 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 →

#efe9cd

#cde4ef · #d8cdef

#efcdd3 · #d3efcd

Split-complementary

Open in tool →

#efd8cd · #e4efcd

#efcde4 · #efe9cd · #cdefd8

Contrast

#cdd3ef as textRatioAAAA largeAAAFix
Aaon white
1.48:1failfailfail
  • AA: use #586dca as the text (4.71:1)
  • AAA: use #384fb2 as the text (7.17:1)
  • AA: or shift the background to #5c5c5c (4.51:1)
  • AAA: or shift the background to #3d3d3d (7.32:1)
Aaon black
14.16:1passpasspassPasses 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 #cdd3ef as the background.

Brands using this color

Fonts for this mood

#cdd3ef reads as cool, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #cdd3ef
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 #cdd3ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cdd3ef-9c9fc4-df7e4e-231f2d-e9eef1?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