Color

#5585ec

#5585ec
hex#5585ec
rgbrgb(85, 133, 236)
hslhsl(221, 80%, 63%)
oklchoklch(0.633 0.163 263.6)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2476

Colors that go with #5585ec

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 →

#ecbc55

#55d0ec · #7155ec

#ec5585 · #85ec55

Split-complementary

Open in tool →

#ec7155 · #d0ec55

#ec55d0 · #ecbc55 · #55ec71

Contrast

#5585ec as textRatioAAAA largeAAAFix
Aaon white
3.53:1failpassfail
  • AA: use #356ee9 as the text (4.61:1)
  • AAA: use #164dc5 as the text (7.24:1)
  • AA: or shift the background to #212121 (4.56:1)
Aaon black
5.95:1passpassfail
  • AAA: use #6c95ef as the text (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5585ec as the background.

Brands using this color

Fonts for this mood

#5585ec reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5585ec
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 #5585ec and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5585ec-9ca4c4-df6b4e-211f2d-e9eff1?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