Color

#3ea1fe

#3ea1fe
hex#3ea1fe
rgbrgb(62, 161, 254)
hslhsl(209, 99%, 62%)
oklchoklch(0.695 0.164 250.4)
Closest name: Fresh Blue of Bel Air (#069af3)Relative luminance 0.3367

Colors that go with #3ea1fe

Charcoal, Medium Sea Green and Tomato 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 →

#fe9b3e

#3efefb · #3e41fe

#fe3ea1 · #a1fe3e

Split-complementary

Open in tool →

#fe3e41 · #fefb3e

#fb3efe · #fe9b3e · #41fe3e

Contrast

#3ea1fe as textRatioAAAA largeAAAFix
Aaon white
2.72:1failfailfail
  • AA: use #0174df as the text (4.6:1)
  • AAA: use #0157a7 as the text (7.19:1)
  • AA: or shift the background to #333333 (4.65:1)
  • AAA: or shift the background to #0f0f0f (7.06:1)
Aaon black
7.73:1passpasspassPasses 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 #3ea1fe as the background.

Brands using this color

Fonts for this mood

#3ea1fe reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3ea1fe
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 #3ea1fe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ea1fe-9cacc4-df4e4e-1f212d-e9f1f1?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