Color

#3698e2

#3698e2
hex#3698e2
rgbrgb(54, 152, 226)
hslhsl(206, 75%, 55%)
oklchoklch(0.657 0.142 245.5)
Closest name: Fresh Blue of Bel Air (#069af3)Relative luminance 0.2873

Colors that go with #3698e2

Charcoal, Orange Red and Bronze 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 →

#e28136

#36e2d7 · #3642e2

#e23698 · #98e236

Split-complementary

Open in tool →

#e23642 · #e2d736

#d736e2 · #e28136 · #42e236

Contrast

#3698e2 as textRatioAAAA largeAAAFix
Aaon white
3.11:1failpassfail
  • AA: use #1b79c0 as the text (4.62:1)
  • AAA: use #145a8f as the text (7.27:1)
  • AA: or shift the background to #2b2b2b (4.55:1)
Aaon black
6.75:1passpassfail
  • AAA: use #3f9ce4 as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3698e2 as the background.

Brands using this color

Fonts for this mood

#3698e2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3698e2
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 #3698e2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3698e2-9caec4-df4e56-1f212d-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