Color

#52c5ef

#52c5ef
hex#52c5ef
rgbrgb(82, 197, 239)
hslhsl(196, 83%, 63%)
oklchoklch(0.775 0.119 225.7)
Closest name: Blue Mana (#68c2f5)Relative luminance 0.4796

Colors that go with #52c5ef

Charcoal, Dark Salmon and Crimson 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 →

#ef7c52

#52efca · #5277ef

#ef52c5 · #c5ef52

Split-complementary

Open in tool →

#ef5277 · #efca52

#ca52ef · #ef7c52 · #77ef52

Contrast

#52c5ef as textRatioAAAA largeAAAFix
Aaon white
1.98:1failfailfail
  • AA: use #107fa8 as the text (4.54:1)
  • AAA: use #0c607e as the text (7.02:1)
  • AA: or shift the background to #474747 (4.69:1)
  • AAA: or shift the background to #2b2b2b (7.14:1)
Aaon black
10.59:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #52c5ef as the background.

Brands using this color

Fonts for this mood

#52c5ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #52c5ef
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 #52c5ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/52c5ef-9cb5c4-df4e6e-1f232d-e9f1ef?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