Color

#3af2dd

#3af2dd
hex#3af2dd
rgbrgb(58, 242, 221)
hslhsl(173, 88%, 59%)
oklchoklch(0.868 0.144 183.3)
Closest name: Frozen Boubble (#00eedd)Relative luminance 0.6962

Colors that go with #3af2dd

Charcoal, Deep Sky Blue and Taupe 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 →

#f23a50

#3af281 · #3aacf2

#dd3af2 · #f2dd3a

Split-complementary

Open in tool →

#f23aac · #f2813a

#813af2 · #f23a50 · #acf23a

Contrast

#3af2dd as textRatioAAAA largeAAAFix
Aaon white
1.41:1failfailfail
  • AA: use #088173 as the text (4.77:1)
  • AAA: use #066055 as the text (7.47:1)
  • AA: or shift the background to #5e5e5e (4.61:1)
  • AAA: or shift the background to #424242 (7.14:1)
Aaon black
14.92:1passpasspassPasses 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 #3af2dd as the background.

Brands using this color

mcpConnect your agent — build around #3af2dd
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 #3af2dd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3af2dd-a2bebe-d459a3-1f292d-e9f1ec?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