Color

#728da7

#728da7
hex#728da7
rgbrgb(114, 141, 167)
hslhsl(209, 23%, 55%)
oklchoklch(0.632 0.05 247.6)
Closest name: lightslategray (#778899)Relative luminance 0.2542

Colors that go with #728da7

Charcoal, Copper and Cobalt Blue 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 →

#a78b72

#72a7a6 · #7273a7

#a7728d · #8da772

Split-complementary

Open in tool →

#a77273 · #a7a672

#a672a7 · #a78b72 · #73a772

Contrast

#728da7 as textRatioAAAA largeAAAFix
Aaon white
3.45:1failpassfail
  • AA: use #5c7993 as the text (4.55:1)
  • AAA: use #455a6e as the text (7.14:1)
  • AA: or shift the background to #212121 (4.66:1)
Aaon black
6.08:1passpassfail
  • AAA: use #829ab0 as the text (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #728da7 as the background.

Brands using this color

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

Palettes built around it

mcpConnect your agent — build around #728da7
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 #728da7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/728da7-9cacc4-df4e4e-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