Color

#3142af

#3142af
hex#3142af
rgbrgb(49, 66, 175)
hslhsl(232, 56%, 44%)
oklchoklch(0.437 0.173 270.6)
Closest name: Cobalt Blue (#0047ab)Relative luminance 0.0764

Colors that go with #3142af

Charcoal, Steel Blue and 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 →

#af9e31

#3181af · #5f31af

#af3142 · #42af31

Split-complementary

Open in tool →

#af5f31 · #81af31

#af3181 · #af9e31 · #31af5f

Contrast

#3142af as textRatioAAAA largeAAAFix
Aaon white
8.3:1passpasspassPasses AAA — no fix needed.
Aaon black
2.53:1failfailfail
  • AA: use #5c6cd1 as the text (4.52:1)
  • AAA: use #8893dd as the text (7.26:1)
  • AA: or shift the background to #bfbfbf (4.52:1)
  • AAA: or shift the background to #ededed (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3142af 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

#3142af reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3142af
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 #3142af and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3142af-9c9dc4-df864e-231f2d-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