Color

#527fef

#527fef
hex#527fef
rgbrgb(82, 127, 239)
hslhsl(223, 83%, 63%)
oklchoklch(0.621 0.175 265.2)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.232

Colors that go with #527fef

Charcoal, Red 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 →

#efc352

#52cdef · #7452ef

#ef527f · #7fef52

Split-complementary

Open in tool →

#ef7452 · #cdef52

#ef52cd · #efc352 · #52ef74

Contrast

#527fef as textRatioAAAA largeAAAFix
Aaon white
3.72:1failpassfail
  • AA: use #3b6ded as the text (4.57:1)
  • AAA: use #1449d2 as the text (7.21:1)
  • AA: or shift the background to #1c1c1c (4.58:1)
Aaon black
5.64:1passpassfail
  • AAA: use #6e94f2 as the text (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #527fef as the background.

Brands using this color

Fonts for this mood

#527fef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #527fef
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 #527fef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/527fef-9ca3c4-df704e-211f2d-e9eff1?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