Color

#43dcf4

#43dcf4
hex#43dcf4
rgbrgb(67, 220, 244)
hslhsl(188, 89%, 61%)
oklchoklch(0.826 0.128 210.4)
Closest name: Hammam Blue (#65dcd6)Relative luminance 0.5891

Colors that go with #43dcf4

Charcoal, Dodger Blue and Taupe 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 #43dcf4

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f45b43

#43f4b3 · #4384f4

#f443dc · #dcf443

Split-complementary

Open in tool →

#f44384 · #f4b343

#b343f4 · #f45b43 · #84f443

Contrast

#43dcf4 as textRatioAAAA largeAAAFix
Aaon white
1.64:1failfailfail
  • AA: use #087e91 as the text (4.77:1)
  • AAA: use #06616f as the text (7.13:1)
  • AA: or shift the background to #545454 (4.61:1)
  • AAA: or shift the background to #383838 (7.14:1)
Aaon black
12.78:1passpasspassPasses 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 #43dcf4 as the background.

Brands using this color

Fonts for this mood

#43dcf4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #43dcf4
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 #43dcf4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/43dcf4-a2b7be-df4e81-1f252d-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