Color

#528eef

#528eef
hex#528eef
rgbrgb(82, 142, 239)
hslhsl(217, 83%, 63%)
oklchoklch(0.653 0.158 259.6)
Closest name: cornflowerblue (#6495ed)Relative luminance 0.2737

Colors that go with #528eef

Charcoal, Tomato 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 →

#efb352

#52ddef · #6552ef

#ef528e · #8eef52

Split-complementary

Open in tool →

#ef6552 · #ddef52

#ef52dd · #efb352 · #52ef65

Contrast

#528eef as textRatioAAAA largeAAAFix
Aaon white
3.24:1failpassfail
  • AA: use #2470eb as the text (4.57:1)
  • AAA: use #1152bb as the text (7.12:1)
  • AA: or shift the background to #262626 (4.67:1)
Aaon black
6.47:1passpassfail
  • AAA: use #6098f0 as the text (7.25:1)

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

#528eef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

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

tool url/palettes/new/528eef-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