Color

#545fa6

#545fa6
hex#545fa6
rgbrgb(84, 95, 166)
hslhsl(232, 33%, 49%)
oklchoklch(0.51 0.113 275)
Closest name: Bellflower (#5d66aa)Relative luminance 0.1282

Colors that go with #545fa6

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 →

#a69b54

#5488a6 · #7254a6

#a6545f · #5fa654

Split-complementary

Open in tool →

#a67254 · #88a654

#a65488 · #a69b54 · #54a672

Contrast

#545fa6 as textRatioAAAA largeAAAFix
Aaon white
5.89:1passpassfail
  • AAA: use #495392 as the text (7.15:1)
Aaon black
3.56:1failpassfail
  • AA: use #6670b2 as the text (4.53:1)
  • AAA: use #8c93c5 as the text (7.09:1)
  • AA: or shift the background to #e3e3e3 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #545fa6 as the background.

Brands using this color

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

mcpConnect your agent — build around #545fa6
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 #545fa6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/545fa6-9c9dc4-df864e-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