Color

#547fe3

#547fe3
hex#547fe3
rgbrgb(84, 127, 227)
hslhsl(222, 72%, 61%)
oklchoklch(0.615 0.159 264.7)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2261

Colors that go with #547fe3

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 →

#e3b854

#54c7e3 · #7154e3

#e3547f · #7fe354

Split-complementary

Open in tool →

#e37154 · #c7e354

#e354c7 · #e3b854 · #54e371

Contrast

#547fe3 as textRatioAAAA largeAAAFix
Aaon white
3.8:1failpassfail
  • AA: use #3e6ee0 as the text (4.65:1)
  • AAA: use #1f50c1 as the text (7.06:1)
  • AA: or shift the background to #1a1a1a (4.58:1)
Aaon black
5.52:1passpassfail
  • AAA: use #7396e8 as the text (7.26:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #547fe3 as the background.

Brands using this color

Fonts for this mood

#547fe3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #547fe3
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 #547fe3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/547fe3-9ca3c4-df6e4e-211f2d-e9eff1?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