Color

#5745a1

#5745a1
hex#5745a1
rgbrgb(87, 69, 161)
hslhsl(252, 40%, 45%)
oklchoklch(0.459 0.143 288.5)
Closest name: Blueberry (#464196)Relative luminance 0.0886

Colors that go with #5745a1

Charcoal, Sea Green and Steel 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8ea145

#4560a1 · #8545a1

#a15745 · #45a157

Split-complementary

Open in tool →

#a18545 · #60a145

#a14560 · #8ea145 · #45a185

Contrast

#5745a1 as textRatioAAAA largeAAAFix
Aaon white
7.58:1passpasspassPasses AAA — no fix needed.
Aaon black
2.77:1failfailfail
  • AA: use #7a69bf as the text (4.6:1)
  • AAA: use #9a8dce as the text (7.08:1)
  • AA: or shift the background to #c9c9c9 (4.58:1)
  • AAA: or shift the background to #f7f7f7 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5745a1 as the background.

Brands using this color

Fonts for this mood

#5745a1 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5745a1
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 #5745a1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5745a1-a99cc4-dfb64e-281f2d-e9ecf1?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