Color

#43b2db

#43b2db
hex#43b2db
rgbrgb(67, 178, 219)
hslhsl(196, 68%, 56%)
oklchoklch(0.718 0.115 226.5)
Closest name: Blue Martini (#52b4d3)Relative luminance 0.3815

Colors that go with #43b2db

Charcoal, Amber and Dark Orange 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 →

#db6b43

#43dbb7 · #4366db

#db43b2 · #b2db43

Split-complementary

Open in tool →

#db4366 · #dbb743

#b743db · #db6b43 · #66db43

Contrast

#43b2db as textRatioAAAA largeAAAFix
Aaon white
2.43:1failfailfail
  • AA: use #1e7c9f as the text (4.73:1)
  • AAA: use #175e78 as the text (7.22:1)
  • AA: or shift the background to #3b3b3b (4.6:1)
  • AAA: or shift the background to #1c1c1c (7:1)
Aaon black
8.63:1passpasspassPasses 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 #43b2db as the background.

Brands using this color

Fonts for this mood

#43b2db reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #43b2db
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 #43b2db and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/43b2db-9cb5c4-df4e6e-1f232d-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