Color

#3ad0ee

#3ad0ee
hex#3ad0ee
rgbrgb(58, 208, 238)
hslhsl(190, 84%, 58%)
oklchoklch(0.794 0.127 214.6)
Closest name: darkturquoise (#00ced1)Relative luminance 0.5218

Colors that go with #3ad0ee

Charcoal, Crimson and Dark Orange 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 →

#ee583a

#3aeeb2 · #3a76ee

#ee3ad0 · #d0ee3a

Split-complementary

Open in tool →

#ee3a76 · #eeb23a

#b23aee · #ee583a · #76ee3a

Contrast

#3ad0ee as textRatioAAAA largeAAAFix
Aaon white
1.84:1failfailfail
  • AA: use #0d7f96 as the text (4.67:1)
  • AAA: use #0a5f71 as the text (7.27:1)
  • AA: or shift the background to #4d4d4d (4.6:1)
  • AAA: or shift the background to #303030 (7.19:1)
Aaon black
11.44:1passpasspassPasses 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 #3ad0ee as the background.

Brands using this color

Fonts for this mood

#3ad0ee reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3ad0ee
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 #3ad0ee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ad0ee-a2b6be-df4e7c-1f252d-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