Color

#3ef8fe

#3ef8fe
hex#3ef8fe
rgbrgb(62, 248, 254)
hslhsl(182, 99%, 62%)
oklchoklch(0.894 0.141 198.3)
Closest name: Aggressive Aqua (#00fbff)Relative luminance 0.7531

Colors that go with #3ef8fe

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 →

#fe453e

#3efea4 · #3e98fe

#fe3ef8 · #f8fe3e

Split-complementary

Open in tool →

#fe3e98 · #fea43e

#a43efe · #fe453e · #98fe3e

Contrast

#3ef8fe as textRatioAAAA largeAAAFix
Aaon white
1.31:1failfailfail
  • AA: use #018489 as the text (4.5:1)
  • AAA: use #016265 as the text (7.15:1)
  • AA: or shift the background to #636363 (4.6:1)
  • AAA: or shift the background to #474747 (7.11:1)
Aaon black
16.06:1passpasspassPasses 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 #3ef8fe as the background.

Brands using this color

Fonts for this mood

#3ef8fe reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3ef8fe
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 #3ef8fe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ef8fe-a2babe-d45990-1f272d-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