Color

#5389df

#5389df
hex#5389df
rgbrgb(83, 137, 223)
hslhsl(217, 69%, 60%)
oklchoklch(0.633 0.142 259.3)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2506

Colors that go with #5389df

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 →

#dfa953

#53cfdf · #6353df

#df5389 · #89df53

Split-complementary

Open in tool →

#df6353 · #cfdf53

#df53cf · #dfa953 · #53df63

Contrast

#5389df as textRatioAAAA largeAAAFix
Aaon white
3.49:1failpassfail
  • AA: use #3474da as the text (4.51:1)
  • AAA: use #2056ac as the text (7.03:1)
  • AA: or shift the background to #212121 (4.61:1)
Aaon black
6.01:1passpassfail
  • AAA: use #6897e3 as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5389df as the background.

Brands using this color

Fonts for this mood

#5389df reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5389df
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 #5389df and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5389df-9ca7c4-df624e-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