Color

#3175fc

#3175fc
hex#3175fc
rgbrgb(49, 117, 252)
hslhsl(220, 97%, 59%)
oklchoklch(0.598 0.213 262.1)
Closest name: Azure (#007fff)Relative luminance 0.204

Colors that go with #3175fc

Charcoal, Crimson and Copper 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 →

#fcb831

#31dafc · #5331fc

#fc3175 · #75fc31

Split-complementary

Open in tool →

#fc5331 · #dafc31

#fc31da · #fcb831 · #31fc53

Contrast

#3175fc as textRatioAAAA largeAAAFix
Aaon white
4.13:1failpassfail
  • AA: use #226bfc as the text (4.59:1)
  • AAA: use #034ad8 as the text (7.06:1)
  • AA: or shift the background to #121212 (4.53:1)
Aaon black
5.08:1passpassfail
  • AAA: use #5e93fd as the text (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 #3175fc as the background.

Brands using this color

Fonts for this mood

#3175fc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3175fc
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 #3175fc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3175fc-9ca5c4-df694e-211f2d-e9f0f1?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