Color

#3084df

#3084df
hex#3084df
rgbrgb(48, 132, 223)
hslhsl(211, 73%, 53%)
oklchoklch(0.609 0.159 253.5)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2246

Colors that go with #3084df

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 →

#df8a30

#30dcdf · #3330df

#df3084 · #84df30

Split-complementary

Open in tool →

#df3330 · #dcdf30

#df30dc · #df8a30 · #30df33

Contrast

#3084df as textRatioAAAA largeAAAFix
Aaon white
3.82:1failpassfail
  • AA: use #2177d4 as the text (4.51:1)
  • AAA: use #18579a as the text (7.32:1)
  • AA: or shift the background to #1a1a1a (4.55:1)
Aaon black
5.49:1passpassfail
  • AAA: use #5399e4 as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3084df as the background.

Brands using this color

Fonts for this mood

#3084df reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3084df
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 #3084df and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3084df-9cabc4-df534e-1f202d-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