Color

#b3bbc6

#b3bbc6
hex#b3bbc6
rgbrgb(179, 187, 198)
hslhsl(215, 14%, 74%)
oklchoklch(0.789 0.018 256.3)
Closest name: Cosmic (#b8b9cb)Relative luminance 0.492

Colors that go with #b3bbc6

Charcoal, Champagne and Copper 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 →

#c6beb3

#b3c4c6 · #b5b3c6

#c6b3bb · #bbc6b3

Split-complementary

Open in tool →

#c6b5b3 · #c4c6b3

#c6b3c4 · #c6beb3 · #b3c6b5

Contrast

#b3bbc6 as textRatioAAAA largeAAAFix
Aaon white
1.94:1failfailfail
  • AA: use #69788c as the text (4.5:1)
  • AAA: use #4f5a69 as the text (7:1)
  • AA: or shift the background to #4a4a4a (4.57:1)
  • AAA: or shift the background to #2e2e2e (7.01:1)
Aaon black
10.84:1passpasspassPasses 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 #b3bbc6 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

#b3bbc6 reads as cool, muted, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b3bbc6
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 #b3bbc6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b3bbc6-9ca8c4-df5d4e-201f2d-e9f0f1?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