Color

#52b5cb

#52b5cb
hex#52b5cb
rgbrgb(82, 181, 203)
hslhsl(191, 54%, 56%)
oklchoklch(0.723 0.097 214.6)
Closest name: Blue Bobbin (#52b4ca)Relative luminance 0.3915

Colors that go with #52b5cb

Charcoal, Blue 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 →

#cb6852

#52cba5 · #5279cb

#cb52b5 · #b5cb52

Split-complementary

Open in tool →

#cb5279 · #cba552

#a552cb · #cb6852 · #79cb52

Contrast

#52b5cb as textRatioAAAA largeAAAFix
Aaon white
2.38:1failfailfail
  • AA: use #2b7f91 as the text (4.62:1)
  • AAA: use #21606e as the text (7.09:1)
  • AA: or shift the background to #3d3d3d (4.57:1)
  • AAA: or shift the background to #1c1c1c (7.17:1)
Aaon black
8.83:1passpasspassPasses 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 #52b5cb 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

#52b5cb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #52b5cb
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 #52b5cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/52b5cb-a2b6be-df4e7a-1f252d-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