Color

#728cb6

#728cb6
hex#728cb6
rgbrgb(114, 140, 182)
hslhsl(217, 32%, 58%)
oklchoklch(0.636 0.07 259.8)
Closest name: Galactic Gossamer (#7f8cb8)Relative luminance 0.2571

Colors that go with #728cb6

Charcoal, Copper and Amber 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 →

#b69c72

#72aeb6 · #7a72b6

#b6728c · #8cb672

Split-complementary

Open in tool →

#b67a72 · #aeb672

#b672ae · #b69c72 · #72b67a

Contrast

#728cb6 as textRatioAAAA largeAAAFix
Aaon white
3.42:1failpassfail
  • AA: use #5776a8 as the text (4.6:1)
  • AAA: use #40577d as the text (7.3:1)
  • AA: or shift the background to #242424 (4.54:1)
Aaon black
6.14:1passpassfail
  • AAA: use #7f97bd as the text (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #728cb6 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 #728cb6
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 #728cb6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/728cb6-9ca7c4-df624e-201f2d-e9f0f1?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