Color

#b3cddf

#b3cddf
hex#b3cddf
rgbrgb(179, 205, 223)
hslhsl(205, 41%, 79%)
oklchoklch(0.835 0.038 238.2)
Closest name: Cloudy Valley (#b1c6d6)Relative luminance 0.5857

Colors that go with #b3cddf

Charcoal, Dark Salmon and Burlywood 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 #b3cddf

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dfc6b3

#b3dfdc · #b3b7df

#dfb3cd · #cddfb3

Split-complementary

Open in tool →

#dfb3b7 · #dfdcb3

#dcb3df · #dfc6b3 · #b7dfb3

Contrast

#b3cddf as textRatioAAAA largeAAAFix
Aaon white
1.65:1failfailfail
  • AA: use #447ba2 as the text (4.56:1)
  • AAA: use #335d7a as the text (7.03:1)
  • AA: or shift the background to #545454 (4.59:1)
  • AAA: or shift the background to #383838 (7.1:1)
Aaon black
12.71:1passpasspassPasses 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 #b3cddf 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

#b3cddf reads as cool, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b3cddf
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 #b3cddf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b3cddf-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