Color

#545aa0

#545aa0
hex#545aa0
rgbrgb(84, 90, 160)
hslhsl(235, 31%, 48%)
oklchoklch(0.496 0.111 277.8)
Closest name: Bellflower (#5d66aa)Relative luminance 0.1174

Colors that go with #545aa0

Charcoal, Amber and Cobalt 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.

Real palettes that use #545aa0

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#a09a54

#5481a0 · #7454a0

#a0545b · #5ba054

Split-complementary

Open in tool →

#a07454 · #81a054

#a05481 · #a09a54 · #54a074

Contrast

#545aa0 as textRatioAAAA largeAAAFix
Aaon white
6.27:1passpassfail
  • AAA: use #4d5393 as the text (7.06:1)
Aaon black
3.35:1failpassfail
  • AA: use #696fb0 as the text (4.5:1)
  • AAA: use #8d92c3 as the text (7.03:1)
  • AA: or shift the background to #dbdbdb (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #545aa0 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 #545aa0
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 #545aa0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/545aa0-9e9cc4-df8d4e-241f2d-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