Color

#3af2e9

#3af2e9
hex#3af2e9
rgbrgb(58, 242, 233)
hslhsl(177, 88%, 59%)
oklchoklch(0.872 0.14 189.8)
Closest name: Frozen Boubble (#00eedd)Relative luminance 0.7029

Colors that go with #3af2e9

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 →

#f23a44

#3af28d · #3aa0f2

#e93af2 · #f2e93a

Split-complementary

Open in tool →

#f23aa0 · #f28d3a

#8d3af2 · #f23a44 · #a0f23a

Contrast

#3af2e9 as textRatioAAAA largeAAAFix
Aaon white
1.39:1failfailfail
  • AA: use #08817b as the text (4.73:1)
  • AAA: use #06605b as the text (7.42:1)
  • AA: or shift the background to #5e5e5e (4.65:1)
  • AAA: or shift the background to #424242 (7.21:1)
Aaon black
15.06:1passpasspassPasses 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 #3af2e9 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #3af2e9
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 #3af2e9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3af2e9-a2bcbe-d4599b-1f282d-e9f1ed?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