Color

#52a9fa

#52a9fa
hex#52a9fa
rgbrgb(82, 169, 250)
hslhsl(209, 94%, 65%)
oklchoklch(0.717 0.145 249.1)
Closest name: Cerulean (#55aaee)Relative luminance 0.3707

Colors that go with #52a9fa

Charcoal, Amber and Blue 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 →

#faa352

#52faf7 · #5255fa

#fa52a9 · #a9fa52

Split-complementary

Open in tool →

#fa5255 · #faf752

#f752fa · #faa352 · #55fa52

Contrast

#52a9fa as textRatioAAAA largeAAAFix
Aaon white
2.5:1failfailfail
  • AA: use #0776df as the text (4.5:1)
  • AAA: use #0557a3 as the text (7.24:1)
  • AA: or shift the background to #383838 (4.7:1)
  • AAA: or shift the background to #171717 (7.18:1)
Aaon black
8.41:1passpasspassPasses 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 #52a9fa as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#52a9fa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #52a9fa
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 #52a9fa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/52a9fa-9cacc4-df4e4e-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