Color

#728a97

#728a97
hex#728a97
rgbrgb(114, 138, 151)
hslhsl(201, 15%, 52%)
oklchoklch(0.619 0.034 231.7)
Closest name: lightslategray (#778899)Relative luminance 0.2399

Colors that go with #728a97

Charcoal, Copper 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 →

#977f72

#729791 · #727897

#97728a · #8a9772

Split-complementary

Open in tool →

#977278 · #979172

#917297 · #977f72 · #789772

Contrast

#728a97 as textRatioAAAA largeAAAFix
Aaon white
3.62:1failpassfail
  • AA: use #627884 as the text (4.63:1)
  • AAA: use #4a5b64 as the text (7.07:1)
  • AA: or shift the background to #1f1f1f (4.55:1)
Aaon black
5.8:1passpassfail
  • AAA: use #8499a4 as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #728a97 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 #728a97
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 #728a97 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/728a97-9cb1c4-df4e62-1f222d-e9f1f0?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