Color

#546dde

#546dde
hex#546dde
rgbrgb(84, 109, 222)
hslhsl(229, 68%, 60%)
oklchoklch(0.575 0.174 270.7)
Closest name: Royal Blue (#4169e1)Relative luminance 0.181

Colors that go with #546dde

Charcoal, Sea Green 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 →

#dec554

#54b2de · #8054de

#de546d · #6dde54

Split-complementary

Open in tool →

#de8054 · #b2de54

#de54b2 · #dec554 · #54de80

Contrast

#546dde as textRatioAAAA largeAAAFix
Aaon white
4.55:1passpassfail
  • AAA: use #2847d2 as the text (7.19:1)
Aaon black
4.62:1passpassfail
  • AAA: use #7e92e7 as the text (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #546dde 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

#546dde reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #546dde
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 #546dde and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/546dde-9c9fc4-df7e4e-231f2d-e9eef1?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