Color

#c9d4e9

#c9d4e9
hex#c9d4e9
rgbrgb(201, 212, 233)
hslhsl(219, 42%, 85%)
oklchoklch(0.868 0.031 263.5)
Closest name: Après-Ski (#ced5e4)Relative luminance 0.6539

Colors that go with #c9d4e9

Charcoal, Sand 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 →

#e9dec9

#c9e4e9 · #cec9e9

#e9c9d4 · #d4e9c9

Split-complementary

Open in tool →

#e9cec9 · #e4e9c9

#e9c9e4 · #e9dec9 · #c9e9ce

Contrast

#c9d4e9 as textRatioAAAA largeAAAFix
Aaon white
1.49:1failfailfail
  • AA: use #5175b8 as the text (4.58:1)
  • AAA: use #3a578d as the text (7.17:1)
  • AA: or shift the background to #595959 (4.7:1)
  • AAA: or shift the background to #3d3d3d (7.28:1)
Aaon black
14.08:1passpasspassPasses 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 #c9d4e9 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#c9d4e9 reads as cool, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c9d4e9
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 #c9d4e9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c9d4e9-9ca5c4-df664e-211f2d-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