Color

#3ad3ee

#3ad3ee
hex#3ad3ee
rgbrgb(58, 211, 238)
hslhsl(189, 84%, 58%)
oklchoklch(0.801 0.127 212.5)
Closest name: darkturquoise (#00ced1)Relative luminance 0.5366

Colors that go with #3ad3ee

Charcoal, Dodger Blue and Royal Blue 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 →

#ee553a

#3aeeaf · #3a79ee

#ee3ad3 · #d3ee3a

Split-complementary

Open in tool →

#ee3a79 · #eeaf3a

#af3aee · #ee553a · #79ee3a

Contrast

#3ad3ee as textRatioAAAA largeAAAFix
Aaon white
1.79:1failfailfail
  • AA: use #0d8296 as the text (4.52:1)
  • AAA: use #0a6171 as the text (7.09:1)
  • AA: or shift the background to #4f4f4f (4.58:1)
  • AAA: or shift the background to #333333 (7.06:1)
Aaon black
11.73:1passpasspassPasses 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 #3ad3ee as the background.

Brands using this color

Fonts for this mood

#3ad3ee reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3ad3ee
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 #3ad3ee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ad3ee-a2b7be-df4e7e-1f252d-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