Color

#3574ac

#3574ac
hex#3574ac
rgbrgb(53, 116, 172)
hslhsl(208, 53%, 44%)
oklchoklch(0.544 0.109 248.1)
Closest name: Blue Triumph (#4376ab)Relative luminance 0.1623

Colors that go with #3574ac

Charcoal, Crimson and Rust 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 →

#ac6c35

#35aca8 · #3539ac

#ac3574 · #74ac35

Split-complementary

Open in tool →

#ac3539 · #aca835

#a835ac · #ac6c35 · #39ac35

Contrast

#3574ac as textRatioAAAA largeAAAFix
Aaon white
4.95:1passpassfail
  • AAA: use #2a5c89 as the text (7.02:1)
Aaon black
4.25:1failpassfail
  • AA: use #3779b3 as the text (4.55:1)
  • AAA: use #5f9ace as the text (7:1)
  • AA: or shift the background to #f5f5f5 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3574ac as the background.

Brands using this color

Fonts for this mood

#3574ac reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3574ac
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 #3574ac and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3574ac-9cadc4-df4e51-1f212d-e9f1f1?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