Color

#43a1db

#43a1db
hex#43a1db
rgbrgb(67, 161, 219)
hslhsl(203, 68%, 56%)
oklchoklch(0.678 0.123 239.4)
Closest name: Blue Burst (#309cd0)Relative luminance 0.318

Colors that go with #43a1db

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 →

#db7d43

#43dbc9 · #4354db

#db43a1 · #a1db43

Split-complementary

Open in tool →

#db4354 · #dbc943

#c943db · #db7d43 · #54db43

Contrast

#43a1db as textRatioAAAA largeAAAFix
Aaon white
2.85:1failfailfail
  • AA: use #227cb4 as the text (4.56:1)
  • AAA: use #195c85 as the text (7.21:1)
  • AA: or shift the background to #303030 (4.63:1)
  • AAA: or shift the background to #080808 (7.02:1)
Aaon black
7.36:1passpasspassPasses 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 #43a1db as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#43a1db reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #43a1db
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 #43a1db and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/43a1db-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