Color

#43abdf

#43abdf
hex#43abdf
rgbrgb(67, 171, 223)
hslhsl(200, 71%, 57%)
oklchoklch(0.703 0.121 234.2)
Closest name: Cousteau (#55a9d6)Relative luminance 0.3565

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#df7743

#43dfc5 · #435ddf

#df43ab · #abdf43

Split-complementary

Open in tool →

#df435d · #dfc543

#c543df · #df7743 · #5ddf43

Contrast

#43abdf as textRatioAAAA largeAAAFix
Aaon white
2.58:1failfailfail
  • AA: use #1e7eae as the text (4.52:1)
  • AAA: use #165f83 as the text (7:1)
  • AA: or shift the background to #383838 (4.54:1)
  • AAA: or shift the background to #141414 (7.13:1)
Aaon black
8.13:1passpasspassPasses 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 #43abdf 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

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

mcpConnect your agent — build around #43abdf
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #43abdf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/43abdf-9cb2c4-df4e64-1f232d-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