Color

#5289ef

#5289ef
hex#5289ef
rgbrgb(82, 137, 239)
hslhsl(219, 83%, 63%)
oklchoklch(0.642 0.164 261.6)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2592

Colors that go with #5289ef

Charcoal, Medium Sea Green and Orange Red 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 →

#efb852

#52d7ef · #6a52ef

#ef5289 · #89ef52

Split-complementary

Open in tool →

#ef6a52 · #d7ef52

#ef52d7 · #efb852 · #52ef6a

Contrast

#5289ef as textRatioAAAA largeAAAFix
Aaon white
3.4:1failpassfail
  • AA: use #2d70eb as the text (4.54:1)
  • AAA: use #1250c4 as the text (7.07:1)
  • AA: or shift the background to #242424 (4.57:1)
Aaon black
6.18:1passpassfail
  • AAA: use #6596f1 as the text (7.19:1)

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

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

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

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

tool url/palettes/new/5289ef-9ca5c4-df664e-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