Color

#c3e5fd

#c3e5fd
hex#c3e5fd
rgbrgb(195, 229, 253)
hslhsl(205, 94%, 88%)
oklchoklch(0.905 0.049 238.9)
Closest name: Breaking the Ice (#b8e4f5)Relative luminance 0.7473

Colors that go with #c3e5fd

Charcoal, Cornflower Blue and Dark Orange 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.

Real palettes that use #c3e5fd

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fddcc4

#c4fdf8 · #c4c8fd

#fdc4e5 · #e5fdc4

Split-complementary

Open in tool →

#fdc4c8 · #fdf8c4

#f8c4fd · #fddcc4 · #c8fdc4

Contrast

#c3e5fd as textRatioAAAA largeAAAFix
Aaon white
1.32:1failfailfail
  • AA: use #0679cb as the text (4.56:1)
  • AAA: use #055b99 as the text (7.09:1)
  • AA: or shift the background to #636363 (4.56:1)
  • AAA: or shift the background to #474747 (7.06:1)
Aaon black
15.95:1passpasspassPasses 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 #c3e5fd as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#c3e5fd reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c3e5fd
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 #c3e5fd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c3e5fd-9cafc4-df4e58-1f212d-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