Color

#545ab6

#545ab6
hex#545ab6
rgbrgb(84, 90, 182)
hslhsl(236, 40%, 52%)
oklchoklch(0.51 0.143 277.2)
Closest name: Bellflower (#5d66aa)Relative luminance 0.1257

Colors that go with #545ab6

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 →

#b6af54

#548bb6 · #7e54b6

#b6545a · #5ab654

Split-complementary

Open in tool →

#b67e54 · #8bb654

#b6548b · #b6af54 · #54b67e

Contrast

#545ab6 as textRatioAAAA largeAAAFix
Aaon white
5.97:1passpassfail
  • AAA: use #484ea8 as the text (7.17:1)
Aaon black
3.51:1failpassfail
  • AA: use #696fbf as the text (4.63:1)
  • AAA: use #8d91ce as the text (7.07:1)
  • AA: or shift the background to #e0e0e0 (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 #545ab6 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

#545ab6 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #545ab6
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 #545ab6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/545ab6-9e9cc4-df8f4e-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