Color

#34adef

#34adef
hex#34adef
rgbrgb(52, 173, 239)
hslhsl(201, 85%, 57%)
oklchoklch(0.712 0.141 238.1)
Closest name: Cerulean (#55aaee)Relative luminance 0.3685

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ef7534

#34efd3 · #3450ef

#ef34ad · #adef34

Split-complementary

Open in tool →

#ef3450 · #efd334

#d334ef · #ef7534 · #50ef34

Contrast

#34adef as textRatioAAAA largeAAAFix
Aaon white
2.51:1failfailfail
  • AA: use #0f7db8 as the text (4.52:1)
  • AAA: use #0b5d89 as the text (7.14:1)
  • AA: or shift the background to #383838 (4.67:1)
  • AAA: or shift the background to #171717 (7.15:1)
Aaon black
8.37:1passpasspassPasses 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 #34adef as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#34adef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #34adef
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 #34adef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/34adef-9cb1c4-df4e62-1f222d-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