Color

#528da7

#528da7
hex#528da7
rgbrgb(82, 141, 167)
hslhsl(198, 34%, 49%)
oklchoklch(0.613 0.073 228.3)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2363

Colors that go with #528da7

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 #528da7

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a76c52

#52a796 · #5263a7

#a7528e · #8ea752

Split-complementary

Open in tool →

#a75263 · #a79652

#9652a7 · #a76c52 · #63a752

Contrast

#528da7 as textRatioAAAA largeAAAFix
Aaon white
3.67:1failpassfail
  • AA: use #487d93 as the text (4.54:1)
  • AAA: use #365d6d as the text (7.13:1)
  • AA: or shift the background to #1c1c1c (4.65:1)
Aaon black
5.73:1passpassfail
  • AAA: use #699eb5 as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #528da7 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 #528da7
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 #528da7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/528da7-9cb3c4-df4e69-1f232d-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