Color

#34d3ef

#34d3ef
hex#34d3ef
rgbrgb(52, 211, 239)
hslhsl(189, 85%, 57%)
oklchoklch(0.8 0.13 212.8)
Closest name: darkturquoise (#00ced1)Relative luminance 0.5355

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ef5034

#34efad · #3475ef

#ef34d3 · #d3ef34

Split-complementary

Open in tool →

#ef3475 · #efad34

#ad34ef · #ef5034 · #75ef34

Contrast

#34d3ef as textRatioAAAA largeAAAFix
Aaon white
1.79:1failfailfail
  • AA: use #0c8297 as the text (4.51:1)
  • AAA: use #096271 as the text (7.01:1)
  • AA: or shift the background to #4f4f4f (4.57:1)
  • AAA: or shift the background to #333333 (7.05:1)
Aaon black
11.71:1passpasspassPasses 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 #34d3ef as the background.

Brands using this color

Fonts for this mood

#34d3ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #34d3ef
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 #34d3ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/34d3ef-a2b7be-df4e7e-1f252d-e9f1ee?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