Color

#528ab7

#528ab7
hex#528ab7
rgbrgb(82, 138, 183)
hslhsl(207, 41%, 52%)
oklchoklch(0.614 0.091 244.3)
Closest name: steelblue (#4682b4)Relative luminance 0.2339

Colors that go with #528ab7

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 →

#b78052

#52b7b2 · #5257b7

#b7528a · #8ab752

Split-complementary

Open in tool →

#b75257 · #b7b252

#b252b7 · #b78052 · #57b752

Contrast

#528ab7 as textRatioAAAA largeAAAFix
Aaon white
3.7:1failpassfail
  • AA: use #457aa5 as the text (4.58:1)
  • AAA: use #335a7a as the text (7.28:1)
  • AA: or shift the background to #1c1c1c (4.61:1)
Aaon black
5.68:1passpassfail
  • AAA: use #6c9bc1 as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #528ab7 as the background.

Brands using this color

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

Fonts for this mood

#528ab7 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #528ab7
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 #528ab7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/528ab7-9cadc4-df4e53-1f212d-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