Color

#3ea8cc

#3ea8cc
hex#3ea8cc
rgbrgb(62, 168, 204)
hslhsl(195, 58%, 52%)
oklchoklch(0.686 0.108 224.5)
Closest name: Aquarius (#2db0ce)Relative luminance 0.3339

Colors that go with #3ea8cc

Charcoal, Terracotta and Amber 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 →

#cc613e

#3ecca8 · #3e61cc

#cc3ea8 · #a8cc3e

Split-complementary

Open in tool →

#cc3e61 · #cca83e

#a83ecc · #cc613e · #61cc3e

Contrast

#3ea8cc as textRatioAAAA largeAAAFix
Aaon white
2.74:1failfailfail
  • AA: use #297d99 as the text (4.68:1)
  • AAA: use #1f5f75 as the text (7.11:1)
  • AA: or shift the background to #333333 (4.62:1)
  • AAA: or shift the background to #0f0f0f (7.01:1)
Aaon black
7.68:1passpasspassPasses 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 #3ea8cc as the background.

Brands using this color

Fonts for this mood

#3ea8cc reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3ea8cc
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 #3ea8cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ea8cc-9cb5c4-df4e70-1f242d-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