Color

#c3d5ea

#c3d5ea
hex#c3d5ea
rgbrgb(195, 213, 234)
hslhsl(212, 48%, 84%)
oklchoklch(0.866 0.035 252.3)
Closest name: Après-Ski (#ced5e4)Relative luminance 0.6513

Colors that go with #c3d5ea

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 →

#ead8c3

#c3e8ea · #c4c3ea

#eac3d5 · #d5eac3

Split-complementary

Open in tool →

#eac4c3 · #e8eac3

#eac3e8 · #ead8c3 · #c3eac4

Contrast

#c3d5ea as textRatioAAAA largeAAAFix
Aaon white
1.5:1failfailfail
  • AA: use #4179b9 as the text (4.51:1)
  • AAA: use #305988 as the text (7.22:1)
  • AA: or shift the background to #595959 (4.68:1)
  • AAA: or shift the background to #3d3d3d (7.26:1)
Aaon black
14.03:1passpasspassPasses 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 #c3d5ea as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#c3d5ea reads as cool, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c3d5ea
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 #c3d5ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c3d5ea-9caac4-df564e-1f202d-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