Color

#b9c3da

#b9c3da
hex#b9c3da
rgbrgb(185, 195, 218)
hslhsl(222, 31%, 79%)
oklchoklch(0.817 0.034 266.9)
Closest name: lightsteelblue (#b0c4de)Relative luminance 0.5441

Colors that go with #b9c3da

Charcoal, Sand 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 #b9c3da

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dad0b9

#b9d3da · #bfb9da

#dab9c3 · #c3dab9

Split-complementary

Open in tool →

#dabfb9 · #d3dab9

#dab9d3 · #dad0b9 · #b9dabf

Contrast

#b9c3da as textRatioAAAA largeAAAFix
Aaon white
1.77:1failfailfail
  • AA: use #5f75ab as the text (4.55:1)
  • AAA: use #455782 as the text (7.15:1)
  • AA: or shift the background to #4f4f4f (4.63:1)
  • AAA: or shift the background to #333333 (7.15:1)
Aaon black
11.88:1passpasspassPasses 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 #b9c3da as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#b9c3da reads as cool, muted, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b9c3da
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 #b9c3da and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b9c3da-9ca3c4-df6e4e-211f2d-e9eff1?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