Color

#b5b4cb

#b5b4cb
hex#b5b4cb
rgbrgb(181, 180, 203)
hslhsl(243, 18%, 75%)
oklchoklch(0.778 0.032 287.6)
Closest name: Ethereal Mist (#b0b8cc)Relative luminance 0.4678

Colors that go with #b5b4cb

Charcoal, Dark Khaki and 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cacbb4

#b4becb · #c0b4cb

#cbb5b4 · #b4cbb5

Split-complementary

Open in tool →

#cbc0b4 · #becbb4

#cbb4be · #cacbb4 · #b4cbc0

Contrast

#b5b4cb as textRatioAAAA largeAAAFix
Aaon white
2.03:1failfailfail
  • AA: use #74729d as the text (4.53:1)
  • AAA: use #555478 as the text (7.18:1)
  • AA: or shift the background to #474747 (4.58:1)
  • AAA: or shift the background to #292929 (7.17:1)
Aaon black
10.36:1passpasspassPasses 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 #b5b4cb 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

#b5b4cb reads as cool, muted, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b5b4cb
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 #b5b4cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b5b4cb-a39cc4-dfa04e-261f2d-e9edf1?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