Color

#43c7ef

#43c7ef
hex#43c7ef
rgbrgb(67, 199, 239)
hslhsl(194, 84%, 60%)
oklchoklch(0.775 0.125 222.4)
Closest name: Blue Mana (#68c2f5)Relative luminance 0.4827

Colors that go with #43c7ef

Charcoal, Dark Salmon and Crimson 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 →

#ef6b43

#43efc1 · #4371ef

#ef43c7 · #c7ef43

Split-complementary

Open in tool →

#ef4371 · #efc143

#c143ef · #ef6b43 · #71ef43

Contrast

#43c7ef as textRatioAAAA largeAAAFix
Aaon white
1.97:1failfailfail
  • AA: use #0e7ea0 as the text (4.66:1)
  • AAA: use #0b607a as the text (7.07:1)
  • AA: or shift the background to #474747 (4.71:1)
  • AAA: or shift the background to #2b2b2b (7.18:1)
Aaon black
10.65:1passpasspassPasses 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 #43c7ef 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

#43c7ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #43c7ef
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 #43c7ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/43c7ef-9cb6c4-df4e72-1f242d-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