Color

#8a8ba3

#8a8ba3
hex#8a8ba3
rgbrgb(138, 139, 163)
hslhsl(238, 12%, 59%)
oklchoklch(0.644 0.036 283.5)
Closest name: Cool Gray (#8c92ac)Relative luminance 0.2651

Colors that go with #8a8ba3

Charcoal, Copper and Denim 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.

Real palettes that use #8a8ba3

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a3a28a

#8a97a3 · #968aa3

#a38a8b · #8ba38a

Split-complementary

Open in tool →

#a3968a · #97a38a

#a38a97 · #a3a28a · #8aa396

Contrast

#8a8ba3 as textRatioAAAA largeAAAFix
Aaon white
3.33:1failpassfail
  • AA: use #737491 as the text (4.53:1)
  • AAA: use #55566d as the text (7.15:1)
  • AA: or shift the background to #262626 (4.54:1)
Aaon black
6.3:1passpassfail
  • AAA: use #9596ac as the text (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #8a8ba3 as the background.

Brands using this color

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

mcpConnect your agent — build around #8a8ba3
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 #8a8ba3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/8a8ba3-9f9cc4-df944e-251f2d-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