Color

#3df0ea

#3df0ea
hex#3df0ea
rgbrgb(61, 240, 234)
hslhsl(178, 86%, 59%)
oklchoklch(0.868 0.138 191.5)
Closest name: Frozen Boubble (#00eedd)Relative luminance 0.6925

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f03d43

#3df090 · #3d9cf0

#ea3df0 · #f0ea3d

Split-complementary

Open in tool →

#f03d9c · #f0903d

#903df0 · #f03d43 · #9cf03d

Contrast

#3df0ea as textRatioAAAA largeAAAFix
Aaon white
1.41:1failfailfail
  • AA: use #0a807c as the text (4.78:1)
  • AAA: use #075f5c as the text (7.5:1)
  • AA: or shift the background to #5e5e5e (4.59:1)
  • AAA: or shift the background to #424242 (7.11:1)
Aaon black
14.85:1passpasspassPasses 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 #3df0ea as the background.

Brands using this color

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

mcpConnect your agent — build around #3df0ea
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 #3df0ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3df0ea-a2bcbe-d45999-1f282d-e9f1ed?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