Color

#a5a8bb

#a5a8bb
hex#a5a8bb
rgbrgb(165, 168, 187)
hslhsl(232, 14%, 69%)
oklchoklch(0.735 0.027 278.6)
Closest name: darkgray (#a9a9a9)Relative luminance 0.3959

Colors that go with #a5a8bb

Charcoal, Blue and Blush Pink 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 →

#bbb8a5

#a5b3bb · #ada5bb

#bba5a8 · #a8bba5

Split-complementary

Open in tool →

#bbada5 · #b3bba5

#bba5b3 · #bbb8a5 · #a5bbad

Contrast

#a5a8bb as textRatioAAAA largeAAAFix
Aaon white
2.35:1failfailfail
  • AA: use #6e7291 as the text (4.69:1)
  • AAA: use #53576e as the text (7.1:1)
  • AA: or shift the background to #3d3d3d (4.61:1)
  • AAA: or shift the background to #1f1f1f (7:1)
Aaon black
8.92:1passpasspassPasses 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 #a5a8bb as the background.

Brands using this color

mcpConnect your agent — build around #a5a8bb
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 #a5a8bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a5a8bb-9c9dc4-df864e-231f2d-e9eef1?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