Color

#3dc2eb

#3dc2eb
hex#3dc2eb
rgbrgb(61, 194, 235)
hslhsl(194, 81%, 58%)
oklchoklch(0.76 0.125 223.1)
Closest name: Blue Bikini (#00bbee)Relative luminance 0.4557

Colors that go with #3dc2eb

Charcoal, Midnight Blue and Periwinkle lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eb663d

#3debbc · #3d6beb

#eb3dc2 · #c2eb3d

Split-complementary

Open in tool →

#eb3d6b · #ebbc3d

#bc3deb · #eb663d · #6beb3d

Contrast

#3dc2eb as textRatioAAAA largeAAAFix
Aaon white
2.08:1failfailfail
  • AA: use #1180a2 as the text (4.53:1)
  • AAA: use #0d5f78 as the text (7.18:1)
  • AA: or shift the background to #454545 (4.62:1)
  • AAA: or shift the background to #292929 (7.01:1)
Aaon black
10.11:1passpasspassPasses 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 #3dc2eb 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

#3dc2eb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3dc2eb
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

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

analyze #3dc2eb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3dc2eb-9cb6c4-df4e72-1f242d-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