Color

#528feb

#528feb
hex#528feb
rgbrgb(82, 143, 235)
hslhsl(216, 79%, 62%)
oklchoklch(0.652 0.152 258.4)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2744

Colors that go with #528feb

Charcoal, Medium Sea Green 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 →

#ebad52

#52dbeb · #6152eb

#eb528f · #8feb52

Split-complementary

Open in tool →

#eb6152 · #dbeb52

#eb52db · #ebad52 · #52eb61

Contrast

#528feb as textRatioAAAA largeAAAFix
Aaon white
3.24:1failpassfail
  • AA: use #2471e5 as the text (4.6:1)
  • AAA: use #1554b2 as the text (7.14:1)
  • AA: or shift the background to #262626 (4.68:1)
Aaon black
6.49:1passpassfail
  • AAA: use #5f98ec as the text (7.19:1)

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

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

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

tool url/palettes/new/528feb-9ca7c4-df5f4e-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