Color

#5289da

#5289da
hex#5289da
rgbrgb(82, 137, 218)
hslhsl(216, 65%, 59%)
oklchoklch(0.63 0.136 258)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2475

Colors that go with #5289da

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 →

#daa452

#52cdda · #6052da

#da5289 · #89da52

Split-complementary

Open in tool →

#da6052 · #cdda52

#da52cd · #daa452 · #52da60

Contrast

#5289da as textRatioAAAA largeAAAFix
Aaon white
3.53:1failpassfail
  • AA: use #3575d4 as the text (4.52:1)
  • AAA: use #2357a4 as the text (7.07:1)
  • AA: or shift the background to #212121 (4.56:1)
Aaon black
5.95:1passpassfail
  • AAA: use #6897df as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5289da as the background.

Brands using this color

Fonts for this mood

#5289da reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5289da
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 #5289da and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5289da-9ca7c4-df5f4e-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