Color

#3486ea

#3486ea
hex#3486ea
rgbrgb(52, 134, 234)
hslhsl(213, 81%, 56%)
oklchoklch(0.622 0.17 255.5)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2372

Colors that go with #3486ea

Charcoal, Crimson and Copper 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 →

#ea9834

#34e1ea · #3d34ea

#ea3486 · #86ea34

Split-complementary

Open in tool →

#ea3d34 · #e1ea34

#ea34e1 · #ea9834 · #34ea3d

Contrast

#3486ea as textRatioAAAA largeAAAFix
Aaon white
3.66:1failpassfail
  • AA: use #1873e2 as the text (4.58:1)
  • AAA: use #1257ab as the text (7.05:1)
  • AA: or shift the background to #1f1f1f (4.51:1)
Aaon black
5.74:1passpassfail
  • AAA: use #5499ed as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3486ea as the background.

Brands using this color

Fonts for this mood

#3486ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3486ea
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 #3486ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3486ea-9ca9c4-df584e-1f202d-e9f0f1?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