Color

#545ba6

#545ba6
hex#545ba6
rgbrgb(84, 91, 166)
hslhsl(235, 33%, 49%)
oklchoklch(0.502 0.118 277.2)
Closest name: Bellflower (#5d66aa)Relative luminance 0.1212

Colors that go with #545ba6

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 →

#a69f54

#5484a6 · #7654a6

#a6545b · #5ba654

Split-complementary

Open in tool →

#a67654 · #84a654

#a65484 · #a69f54 · #54a676

Contrast

#545ba6 as textRatioAAAA largeAAAFix
Aaon white
6.13:1passpassfail
  • AAA: use #4b5195 as the text (7.22:1)
Aaon black
3.42:1failpassfail
  • AA: use #6a70b4 as the text (4.59:1)
  • AAA: use #8f94c7 as the text (7.23:1)
  • AA: or shift the background to #dedede (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #545ba6 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 #545ba6
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 #545ba6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/545ba6-9e9cc4-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