Color

#4584f2

#4584f2
hex#4584f2
rgbrgb(69, 132, 242)
hslhsl(218, 87%, 61%)
oklchoklch(0.628 0.178 260.7)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2418

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#f2b345

#45dbf2 · #5c45f2

#f24584 · #84f245

Split-complementary

Open in tool →

#f25c45 · #dbf245

#f245db · #f2b345 · #45f25c

Contrast

#4584f2 as textRatioAAAA largeAAAFix
Aaon white
3.6:1failpassfail
  • AA: use #246ef0 as the text (4.6:1)
  • AAA: use #0e50c4 as the text (7.09:1)
  • AA: or shift the background to #1f1f1f (4.58:1)
Aaon black
5.84:1passpassfail
  • AAA: use #5d94f4 as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4584f2 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#4584f2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4584f2
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #4584f2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4584f2-9ca6c4-df644e-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