Color

#3dcdf5

#3dcdf5
hex#3dcdf5
rgbrgb(61, 205, 245)
hslhsl(193, 90%, 60%)
oklchoklch(0.79 0.13 221)
Closest name: Blue Mana (#68c2f5)Relative luminance 0.5125

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f5653d

#3df5c1 · #3d71f5

#f53dcd · #cdf53d

Split-complementary

Open in tool →

#f53d71 · #f5c13d

#c13df5 · #f5653d · #71f53d

Contrast

#3dcdf5 as textRatioAAAA largeAAAFix
Aaon white
1.87:1failfailfail
  • AA: use #087fa0 as the text (4.61:1)
  • AAA: use #066079 as the text (7.1:1)
  • AA: or shift the background to #4d4d4d (4.53:1)
  • AAA: or shift the background to #303030 (7.07:1)
Aaon black
11.25:1passpasspassPasses 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 #3dcdf5 as the background.

Brands using this color

Fonts for this mood

#3dcdf5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3dcdf5
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 #3dcdf5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3dcdf5-a2b5be-df4e75-1f242d-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