Color

#a0a5ba

#a0a5ba
hex#a0a5ba
rgbrgb(160, 165, 186)
hslhsl(228, 16%, 68%)
oklchoklch(0.725 0.031 275)
Closest name: Pewter (#8ba8b7)Relative luminance 0.3793

Colors that go with #a0a5ba

Charcoal, Deep Sky Blue and Sand 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 →

#bab5a0

#a0b3ba · #a8a0ba

#baa0a6 · #a6baa0

Split-complementary

Open in tool →

#baa8a0 · #b3baa0

#baa0b3 · #bab5a0 · #a0baa8

Contrast

#a0a5ba as textRatioAAAA largeAAAFix
Aaon white
2.45:1failfailfail
  • AA: use #6b7394 as the text (4.66:1)
  • AAA: use #515870 as the text (7.05:1)
  • AA: or shift the background to #3b3b3b (4.58:1)
  • AAA: or shift the background to #1a1a1a (7.12:1)
Aaon black
8.59:1passpasspassPasses 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 #a0a5ba as the background.

Brands using this color

mcpConnect your agent — build around #a0a5ba
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 #a0a5ba and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a0a5ba-9c9fc4-df7c4e-231f2d-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