Color

#43abdb

#43abdb
hex#43abdb
rgbrgb(67, 171, 219)
hslhsl(199, 68%, 56%)
oklchoklch(0.701 0.117 232)
Closest name: Cousteau (#55a9d6)Relative luminance 0.3543

Colors that go with #43abdb

Charcoal, Peru 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 →

#db7343

#43dbbf · #435edb

#db43ab · #abdb43

Split-complementary

Open in tool →

#db435e · #dbbf43

#bf43db · #db7343 · #5edb43

Contrast

#43abdb as textRatioAAAA largeAAAFix
Aaon white
2.6:1failfailfail
  • AA: use #207ca7 as the text (4.66:1)
  • AAA: use #185c7c as the text (7.34:1)
  • AA: or shift the background to #383838 (4.52:1)
  • AAA: or shift the background to #141414 (7.09:1)
Aaon black
8.09:1passpasspassPasses 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 #43abdb as the background.

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/43abdb-9cb3c4-df4e66-1f232d-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