Color

#c9ebfc

#c9ebfc
hex#c9ebfc
rgbrgb(201, 235, 252)
hslhsl(200, 89%, 89%)
oklchoklch(0.921 0.042 229.4)
Closest name: Castle in the Sky (#d1eaed)Relative luminance 0.7886

Colors that go with #c9ebfc

Charcoal, Dark Turquoise and Deep Sky 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 →

#fcdbca

#cafcf4 · #cad2fc

#fccaeb · #ebfcca

Split-complementary

Open in tool →

#fccad2 · #fcf4ca

#f4cafc · #fcdbca · #d2fcca

Contrast

#c9ebfc as textRatioAAAA largeAAAFix
Aaon white
1.25:1failfailfail
  • AA: use #0a7ab2 as the text (4.73:1)
  • AAA: use #085d87 as the text (7.18:1)
  • AA: or shift the background to #666666 (4.59:1)
  • AAA: or shift the background to #4a4a4a (7.08:1)
Aaon black
16.77:1passpasspassPasses 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 #c9ebfc 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

#c9ebfc reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c9ebfc
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 #c9ebfc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c9ebfc-9cb2c4-df4e64-1f232d-e9f1f0?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