Color

#3ecfef

#3ecfef
hex#3ecfef
rgbrgb(62, 207, 239)
hslhsl(191, 85%, 59%)
oklchoklch(0.793 0.126 216.2)
Closest name: Blue Mana (#68c2f5)Relative luminance 0.5188

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ef5e3e

#3eefb7 · #3e76ef

#ef3ecf · #cfef3e

Split-complementary

Open in tool →

#ef3e76 · #efb73e

#b73eef · #ef5e3e · #76ef3e

Contrast

#3ecfef as textRatioAAAA largeAAAFix
Aaon white
1.85:1failfailfail
  • AA: use #0d819c as the text (4.53:1)
  • AAA: use #095e71 as the text (7.37:1)
  • AA: or shift the background to #4d4d4d (4.58:1)
  • AAA: or shift the background to #303030 (7.15:1)
Aaon black
11.38:1passpasspassPasses 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 #3ecfef as the background.

Brands using this color

Fonts for this mood

#3ecfef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

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

tool url/palettes/new/3ecfef-a2b6be-df4e7a-1f252d-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