Color

#b4b9ca

#b4b9ca
hex#b4b9ca
rgbrgb(180, 185, 202)
hslhsl(226, 17%, 75%)
oklchoklch(0.787 0.025 272.7)
Closest name: Cosmic (#b8b9cb)Relative luminance 0.4867

Colors that go with #b4b9ca

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cac5b4

#b4c4ca · #bab4ca

#cab4b9 · #b9cab4

Split-complementary

Open in tool →

#cabab4 · #c4cab4

#cab4c4 · #cac5b4 · #b4caba

Contrast

#b4b9ca as textRatioAAAA largeAAAFix
Aaon white
1.96:1failfailfail
  • AA: use #6a7495 as the text (4.62:1)
  • AAA: use #505871 as the text (7.06:1)
  • AA: or shift the background to #4a4a4a (4.53:1)
  • AAA: or shift the background to #2b2b2b (7.24:1)
Aaon black
10.73:1passpasspassPasses 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 #b4b9ca as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#b4b9ca reads as cool, muted, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b4b9ca
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 #b4b9ca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b4b9ca-9ca1c4-df774e-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