Color

#3eaae0

#3eaae0
hex#3eaae0
rgbrgb(62, 170, 224)
hslhsl(200, 72%, 56%)
oklchoklch(0.7 0.124 234.6)
Closest name: Cousteau (#55a9d6)Relative luminance 0.3516

Colors that go with #3eaae0

Charcoal, Peru 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 →

#e0743e

#3ee0c5 · #3e59e0

#e03eaa · #aae03e

Split-complementary

Open in tool →

#e03e59 · #e0c53e

#c53ee0 · #e0743e · #59e03e

Contrast

#3eaae0 as textRatioAAAA largeAAAFix
Aaon white
2.61:1failfailfail
  • AA: use #1d7eaf as the text (4.51:1)
  • AAA: use #155c7f as the text (7.32:1)
  • AA: or shift the background to #363636 (4.62:1)
  • AAA: or shift the background to #141414 (7.05:1)
Aaon black
8.03:1passpasspassPasses 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 #3eaae0 as the background.

Brands using this color

Fonts for this mood

#3eaae0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3eaae0
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 #3eaae0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3eaae0-9cb2c4-df4e64-1f232d-e9f1f0?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