Color

#5290da

#5290da
hex#5290da
rgbrgb(82, 144, 218)
hslhsl(213, 65%, 59%)
oklchoklch(0.645 0.129 254)
Closest name: Blue Jay (#5588dd)Relative luminance 0.268

Colors that go with #5290da

Charcoal, Amber and Blue 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 →

#da9d52

#52d4da · #5952da

#da5290 · #90da52

Split-complementary

Open in tool →

#da5952 · #d4da52

#da52d4 · #da9d52 · #52da59

Contrast

#5290da as textRatioAAAA largeAAAFix
Aaon white
3.3:1failpassfail
  • AA: use #2c75ce as the text (4.62:1)
  • AAA: use #21589c as the text (7.14:1)
  • AA: or shift the background to #262626 (4.58:1)
Aaon black
6.36:1passpassfail
  • AAA: use #5f98dd as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5290da as the background.

Brands using this color

Fonts for this mood

#5290da reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5290da
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 #5290da and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5290da-9ca9c4-df584e-1f202d-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