Color

#34a5bc

#34a5bc
hex#34a5bc
rgbrgb(52, 165, 188)
hslhsl(190, 57%, 47%)
oklchoklch(0.669 0.103 214.4)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.3127

Colors that go with #34a5bc

Charcoal, Tomato 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.

Real palettes that use #34a5bc

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bc4a34

#34bc8f · #3461bc

#bc34a5 · #a5bc34

Split-complementary

Open in tool →

#bc3461 · #bc8f34

#8f34bc · #bc4a34 · #61bc34

Contrast

#34a5bc as textRatioAAAA largeAAAFix
Aaon white
2.89:1failfailfail
  • AA: use #277f90 as the text (4.64:1)
  • AAA: use #1e5f6c as the text (7.22:1)
  • AA: or shift the background to #303030 (4.56:1)
  • AAA: or shift the background to #050505 (7.04:1)
Aaon black
7.25:1passpasspassPasses 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 #34a5bc as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#34a5bc reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #34a5bc
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 #34a5bc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/34a5bc-a2b6be-df4e7c-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