Color

#728697

#728697
hex#728697
rgbrgb(114, 134, 151)
hslhsl(208, 15%, 52%)
oklchoklch(0.61 0.035 244)
Closest name: lightslategray (#778899)Relative luminance 0.2286

Colors that go with #728697

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 →

#978372

#729796 · #727397

#977286 · #869772

Split-complementary

Open in tool →

#977273 · #979672

#967297 · #978372 · #739772

Contrast

#728697 as textRatioAAAA largeAAAFix
Aaon white
3.77:1failpassfail
  • AA: use #647687 as the text (4.68:1)
  • AAA: use #4c5a67 as the text (7.08:1)
  • AA: or shift the background to #1c1c1c (4.52:1)
Aaon black
5.57:1passpassfail
  • AAA: use #8797a6 as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #728697 as the background.

Brands using this color

mcpConnect your agent — build around #728697
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 #728697 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/728697-9cadc4-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