Color

#43bde5

#43bde5
hex#43bde5
rgbrgb(67, 189, 229)
hslhsl(195, 76%, 58%)
oklchoklch(0.748 0.12 223.9)
Closest name: Blue Bikini (#00bbee)Relative luminance 0.4325

Colors that go with #43bde5

Charcoal, Dark Salmon 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 →

#e56b43

#43e5bd · #436be5

#e543bd · #bde543

Split-complementary

Open in tool →

#e5436b · #e5bd43

#bd43e5 · #e56b43 · #6be543

Contrast

#43bde5 as textRatioAAAA largeAAAFix
Aaon white
2.18:1failfailfail
  • AA: use #167fa2 as the text (4.57:1)
  • AAA: use #115f79 as the text (7.15:1)
  • AA: or shift the background to #424242 (4.62:1)
  • AAA: or shift the background to #242424 (7.13:1)
Aaon black
9.65:1passpasspassPasses 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 #43bde5 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

#43bde5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #43bde5
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 #43bde5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/43bde5-9cb5c4-df4e70-1f242d-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