Color

#c3d8da

#c3d8da
hex#c3d8da
rgbrgb(195, 216, 218)
hslhsl(185, 24%, 81%)
oklchoklch(0.867 0.023 203.7)
Closest name: Aquatic Edge (#bfd6d1)Relative luminance 0.6578

Colors that go with #c3d8da

Charcoal, Amber and 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 →

#dac5c3

#c3dad0 · #c3cdda

#dac3d8 · #d8dac3

Split-complementary

Open in tool →

#dac3cd · #dad0c3

#d0c3da · #dac5c3 · #cddac3

Contrast

#c3d8da as textRatioAAAA largeAAAFix
Aaon white
1.48:1failfailfail
  • AA: use #4f7d82 as the text (4.58:1)
  • AAA: use #3a5c5f as the text (7.3:1)
  • AA: or shift the background to #5c5c5c (4.51:1)
  • AAA: or shift the background to #3d3d3d (7.32:1)
Aaon black
14.16:1passpasspassPasses 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 #c3d8da as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#c3d8da reads as cool, muted, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c3d8da
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 #c3d8da and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c3d8da-a2b8be-df4e88-1f262d-e9f1ee?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