Color

#5582dd

#5582dd
hex#5582dd
rgbrgb(85, 130, 221)
hslhsl(220, 67%, 60%)
oklchoklch(0.618 0.147 263)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2312

Colors that go with #5582dd

Charcoal, Copper 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 →

#ddb055

#55c7dd · #6b55dd

#dd5582 · #82dd55

Split-complementary

Open in tool →

#dd6b55 · #c7dd55

#dd55c7 · #ddb055 · #55dd6b

Contrast

#5582dd as textRatioAAAA largeAAAFix
Aaon white
3.73:1failpassfail
  • AA: use #3f73d9 as the text (4.5:1)
  • AAA: use #2353b3 as the text (7.1:1)
  • AA: or shift the background to #1c1c1c (4.56:1)
Aaon black
5.62:1passpassfail
  • AAA: use #6e95e2 as the text (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5582dd as the background.

Brands using this color

Fonts for this mood

#5582dd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5582dd
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 #5582dd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5582dd-9ca5c4-df694e-211f2d-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