Color

#34d9fe

#34d9fe
hex#34d9fe
rgbrgb(52, 217, 254)
hslhsl(191, 99%, 60%)
oklchoklch(0.82 0.137 217.4)
Closest name: lightskyblue (#87cefa)Relative luminance 0.5751

Colors that go with #34d9fe

Charcoal, Crimson and Dodger 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.

Real palettes that use #34d9fe

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fe5934

#34febe · #3474fe

#fe34d9 · #d9fe34

Split-complementary

Open in tool →

#fe3474 · #febe34

#be34fe · #fe5934 · #74fe34

Contrast

#34d9fe as textRatioAAAA largeAAAFix
Aaon white
1.68:1failfailfail
  • AA: use #01819d as the text (4.54:1)
  • AAA: use #015f75 as the text (7.25:1)
  • AA: or shift the background to #545454 (4.51:1)
  • AAA: or shift the background to #363636 (7.19:1)
Aaon black
12.5:1passpasspassPasses 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 #34d9fe as the background.

Brands using this color

Fonts for this mood

#34d9fe reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #34d9fe
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 #34d9fe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/34d9fe-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