Color

#3ed4e5

#3ed4e5
hex#3ed4e5
rgbrgb(62, 212, 229)
hslhsl(186, 76%, 57%)
oklchoklch(0.8 0.123 206.3)
Closest name: mediumturquoise (#48d1cc)Relative luminance 0.5377

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e54f3e

#3ee5a2 · #3e81e5

#e53ed4 · #d4e53e

Split-complementary

Open in tool →

#e53e81 · #e5a23e

#a23ee5 · #e54f3e · #81e53e

Contrast

#3ed4e5 as textRatioAAAA largeAAAFix
Aaon white
1.79:1failfailfail
  • AA: use #137f8b as the text (4.73:1)
  • AAA: use #0f626c as the text (7.04:1)
  • AA: or shift the background to #4f4f4f (4.58:1)
  • AAA: or shift the background to #333333 (7.07:1)
Aaon black
11.75:1passpasspassPasses 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 #3ed4e5 as the background.

Brands using this color

Fonts for this mood

#3ed4e5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3ed4e5
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 #3ed4e5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ed4e5-a2b8be-df4e86-1f262d-e9f1ee?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