Color

#c3d2ee

#c3d2ee
hex#c3d2ee
rgbrgb(195, 210, 238)
hslhsl(219, 56%, 85%)
oklchoklch(0.861 0.042 263)
Closest name: Frozen Periwinkle (#c9d1ef)Relative luminance 0.6387

Colors that go with #c3d2ee

Charcoal, Deep Sky Blue and Sand 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 →

#eedfc3

#c3e8ee · #cac3ee

#eec3d2 · #d2eec3

Split-complementary

Open in tool →

#eecac3 · #e8eec3

#eec3e8 · #eedfc3 · #c3eeca

Contrast

#c3d2ee as textRatioAAAA largeAAAFix
Aaon white
1.52:1failfailfail
  • AA: use #4473ca as the text (4.61:1)
  • AAA: use #2d559f as the text (7.21:1)
  • AA: or shift the background to #595959 (4.59:1)
  • AAA: or shift the background to #3d3d3d (7.12:1)
Aaon black
13.77:1passpasspassPasses 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 #c3d2ee as the background.

Brands using this color

Fonts for this mood

#c3d2ee reads as cool, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c3d2ee
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 #c3d2ee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c3d2ee-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