Color

#a9b3bc

#a9b3bc
hex#a9b3bc
rgbrgb(169, 179, 188)
hslhsl(208, 12%, 70%)
oklchoklch(0.762 0.017 245.2)
Closest name: Casper (#aab5b8)Relative luminance 0.4431

Colors that go with #a9b3bc

Charcoal, Blue and Champagne 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 →

#bcb2a9

#a9bcbb · #a9aabc

#bca9b3 · #b3bca9

Split-complementary

Open in tool →

#bca9aa · #bcbba9

#bba9bc · #bcb2a9 · #aabca9

Contrast

#a9b3bc as textRatioAAAA largeAAAFix
Aaon white
2.13:1failfailfail
  • AA: use #677683 as the text (4.67:1)
  • AAA: use #4f5a64 as the text (7.05:1)
  • AA: or shift the background to #454545 (4.5:1)
  • AAA: or shift the background to #262626 (7.11:1)
Aaon black
9.86:1passpasspassPasses 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 #a9b3bc as the background.

Brands using this color

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

Fonts for this mood

#a9b3bc reads as cool, muted, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a9b3bc
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 #a9b3bc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a9b3bc-9cadc4-df4e51-1f212d-e9f1f1?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