Color

#52a6ef

#52a6ef
hex#52a6ef
rgbrgb(82, 166, 239)
hslhsl(208, 83%, 63%)
oklchoklch(0.705 0.135 247.3)
Closest name: Cerulean (#55aaee)Relative luminance 0.353

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#ef9b52

#52efea · #5258ef

#ef52a6 · #a6ef52

Split-complementary

Open in tool →

#ef5258 · #efea52

#ea52ef · #ef9b52 · #58ef52

Contrast

#52a6ef as textRatioAAAA largeAAAFix
Aaon white
2.61:1failfailfail
  • AA: use #1376cd as the text (4.67:1)
  • AAA: use #0e599a as the text (7.21:1)
  • AA: or shift the background to #383838 (4.5:1)
  • AAA: or shift the background to #141414 (7.07:1)
Aaon black
8.06:1passpasspassPasses 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 #52a6ef 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

#52a6ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #52a6ef
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #52a6ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/52a6ef-9cadc4-df4e51-1f212d-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