Color

#b1c8d3

#b1c8d3
hex#b1c8d3
rgbrgb(177, 200, 211)
hslhsl(199, 28%, 76%)
oklchoklch(0.819 0.029 228.1)
Closest name: Cloudy Valley (#b1c6d6)Relative luminance 0.5536

Colors that go with #b1c8d3

Charcoal, Crimson and Deep Sky 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.

Real palettes that use #b1c8d3

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d3bcb1

#b1d3cd · #b1b7d3

#d3b1c8 · #c8d3b1

Split-complementary

Open in tool →

#d3b1b7 · #d3cdb1

#cdb1d3 · #d3bcb1 · #b7d3b1

Contrast

#b1c8d3 as textRatioAAAA largeAAAFix
Aaon white
1.74:1failfailfail
  • AA: use #517c90 as the text (4.53:1)
  • AAA: use #3d5d6c as the text (7.05:1)
  • AA: or shift the background to #4f4f4f (4.71:1)
  • AAA: or shift the background to #333333 (7.26:1)
Aaon black
12.07:1passpasspassPasses 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 #b1c8d3 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#b1c8d3 reads as cool, muted, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b1c8d3
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 #b1c8d3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b1c8d3-9cb3c4-df4e66-1f232d-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