Color

#4084f2

#4084f2
hex#4084f2
rgbrgb(64, 132, 242)
hslhsl(217, 87%, 60%)
oklchoklch(0.626 0.179 259.6)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.24

Colors that go with #4084f2

Charcoal, Red and Amber 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 →

#f2ae40

#40ddf2 · #5540f2

#f24084 · #84f240

Split-complementary

Open in tool →

#f25540 · #ddf240

#f240dd · #f2ae40 · #40f255

Contrast

#4084f2 as textRatioAAAA largeAAAFix
Aaon white
3.62:1failpassfail
  • AA: use #1f6fef as the text (4.59:1)
  • AAA: use #0d51bf as the text (7.13:1)
  • AA: or shift the background to #1f1f1f (4.55:1)
Aaon black
5.8:1passpassfail
  • AAA: use #5d97f4 as the text (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4084f2 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#4084f2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4084f2
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 #4084f2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4084f2-9ca7c4-df624e-201f2d-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