Color

#545fb6

#545fb6
hex#545fb6
rgbrgb(84, 95, 182)
hslhsl(233, 40%, 52%)
oklchoklch(0.52 0.136 275.2)
Closest name: Bellflower (#5d66aa)Relative luminance 0.1345

Colors that go with #545fb6

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 →

#b6aa54

#5490b6 · #7954b6

#b6545f · #5fb654

Split-complementary

Open in tool →

#b67954 · #90b654

#b65490 · #b6aa54 · #54b679

Contrast

#545fb6 as textRatioAAAA largeAAAFix
Aaon white
5.69:1passpassfail
  • AAA: use #4651a4 as the text (7.06:1)
Aaon black
3.69:1failpassfail
  • AA: use #6570bd as the text (4.61:1)
  • AAA: use #8d94ce as the text (7.26:1)
  • AA: or shift the background to #e6e6e6 (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 #545fb6 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

#545fb6 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #545fb6
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 #545fb6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/545fb6-9c9cc4-df884e-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