Color

#b9c8fe

#b9c8fe
hex#b9c8fe
rgbrgb(185, 200, 254)
hslhsl(227, 97%, 86%)
oklchoklch(0.84 0.078 272.6)
Closest name: Periwinkle (#ccccff)Relative luminance 0.5878

Colors that go with #b9c8fe

Charcoal, Deep Sky Blue 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#feefb9

#b9eafe · #ccb9fe

#feb9c8 · #c8feb9

Split-complementary

Open in tool →

#feccb9 · #eafeb9

#feb9ea · #feefb9 · #b9fecc

Contrast

#b9c8fe as textRatioAAAA largeAAAFix
Aaon white
1.65:1failfailfail
  • AA: use #4069fc as the text (4.52:1)
  • AAA: use #0439fb as the text (7.04:1)
  • AA: or shift the background to #545454 (4.6:1)
  • AAA: or shift the background to #383838 (7.12:1)
Aaon black
12.76:1passpasspassPasses 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 #b9c8fe as the background.

Brands using this color

Fonts for this mood

#b9c8fe reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b9c8fe
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 #b9c8fe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b9c8fe-9ca0c4-df7a4e-221f2d-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