Color

#52aeef

#52aeef
hex#52aeef
rgbrgb(82, 174, 239)
hslhsl(205, 83%, 63%)
oklchoklch(0.722 0.129 242.3)
Closest name: Cerulean (#55aaee)Relative luminance 0.383

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ef9452

#52efe2 · #525fef

#ef52ae · #aeef52

Split-complementary

Open in tool →

#ef525f · #efe252

#e252ef · #ef9452 · #5fef52

Contrast

#52aeef as textRatioAAAA largeAAAFix
Aaon white
2.43:1failfailfail
  • AA: use #127ac4 as the text (4.56:1)
  • AAA: use #0d5a91 as the text (7.27:1)
  • AA: or shift the background to #3b3b3b (4.62:1)
  • AAA: or shift the background to #1c1c1c (7.03:1)
Aaon black
8.66:1passpasspassPasses 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 #52aeef as the background.

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/52aeef-9cafc4-df4e58-1f212d-e9f1f0?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