Color

#34a7ef

#34a7ef
hex#34a7ef
rgbrgb(52, 167, 239)
hslhsl(203, 85%, 57%)
oklchoklch(0.698 0.145 241.5)
Closest name: Cerulean (#55aaee)Relative luminance 0.346

Colors that go with #34a7ef

Charcoal, Medium Sea Green and Amber 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 →

#ef7c34

#34efd9 · #344aef

#ef34a7 · #a7ef34

Split-complementary

Open in tool →

#ef344a · #efd934

#d934ef · #ef7c34 · #4aef34

Contrast

#34a7ef as textRatioAAAA largeAAAFix
Aaon white
2.65:1failfailfail
  • AA: use #0f7abd as the text (4.63:1)
  • AAA: use #0b5c8e as the text (7.15:1)
  • AA: or shift the background to #363636 (4.56:1)
  • AAA: or shift the background to #121212 (7.07:1)
Aaon black
7.92:1passpasspassPasses 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 #34a7ef as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#34a7ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #34a7ef
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 #34a7ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/34a7ef-9cb0c4-df4e5d-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