Color

#5387ee

#5387ee
hex#5387ee
rgbrgb(83, 135, 238)
hslhsl(220, 82%, 63%)
oklchoklch(0.638 0.164 262.5)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2534

Colors that go with #5387ee

Charcoal, Medium Sea Green and 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 →

#eeba53

#53d4ee · #6d53ee

#ee5387 · #87ee53

Split-complementary

Open in tool →

#ee6d53 · #d4ee53

#ee53d4 · #eeba53 · #53ee6d

Contrast

#5387ee as textRatioAAAA largeAAAFix
Aaon white
3.46:1failpassfail
  • AA: use #3370eb as the text (4.51:1)
  • AAA: use #134ec3 as the text (7.23:1)
  • AA: or shift the background to #212121 (4.65:1)
Aaon black
6.07:1passpassfail
  • AAA: use #6694f0 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 #5387ee 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

#5387ee reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5387ee
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 #5387ee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5387ee-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