Color

#b4c3cf

#b4c3cf
hex#b4c3cf
rgbrgb(180, 195, 207)
hslhsl(207, 22%, 76%)
oklchoklch(0.809 0.024 242)
Closest name: Cloudy Valley (#b1c6d6)Relative luminance 0.5324

Colors that go with #b4c3cf

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 #b4c3cf

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cfc0b4

#b4cfce · #b4b6cf

#cfb4c3 · #c3cfb4

Split-complementary

Open in tool →

#cfb4b6 · #cfceb4

#ceb4cf · #cfc0b4 · #b6cfb4

Contrast

#b4c3cf as textRatioAAAA largeAAAFix
Aaon white
1.8:1failfailfail
  • AA: use #5d7a92 as the text (4.5:1)
  • AAA: use #465b6d as the text (7.05:1)
  • AA: or shift the background to #4f4f4f (4.54:1)
  • AAA: or shift the background to #333333 (7.01:1)
Aaon black
11.65:1passpasspassPasses 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 #b4c3cf as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#b4c3cf reads as cool, muted, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b4c3cf
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 #b4c3cf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b4c3cf-9cadc4-df4e53-1f212d-e9f1f1?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