Color

#b3c3cc

#b3c3cc
hex#b3c3cc
rgbrgb(179, 195, 204)
hslhsl(202, 20%, 75%)
oklchoklch(0.808 0.022 232.2)
Closest name: Cloudy Valley (#b1c6d6)Relative luminance 0.5297

Colors that go with #b3c3cc

Charcoal, Copper and Crimson 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 #b3c3cc

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ccbcb3

#b3ccc9 · #b3b6cc

#ccb3c3 · #c3ccb3

Split-complementary

Open in tool →

#ccb3b6 · #ccc9b3

#c9b3cc · #ccbcb3 · #b6ccb3

Contrast

#b3c3cc as textRatioAAAA largeAAAFix
Aaon white
1.81:1failfailfail
  • AA: use #5c798a as the text (4.61:1)
  • AAA: use #455b68 as the text (7.12:1)
  • AA: or shift the background to #4f4f4f (4.52:1)
  • AAA: or shift the background to #303030 (7.29:1)
Aaon black
11.59:1passpasspassPasses 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 #b3c3cc as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#b3c3cc reads as cool, muted, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b3c3cc
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 #b3c3cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b3c3cc-9cb1c4-df4e5f-1f222d-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