Color

#314fb9

#314fb9
hex#314fb9
rgbrgb(49, 79, 185)
hslhsl(227, 58%, 46%)
oklchoklch(0.47 0.171 267.4)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.0975

Colors that go with #314fb9

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 →

#b99c31

#3193b9 · #5831b9

#b9314f · #4fb931

Split-complementary

Open in tool →

#b95831 · #93b931

#b93193 · #b99c31 · #31b958

Contrast

#314fb9 as textRatioAAAA largeAAAFix
Aaon white
7.12:1passpasspassPasses AAA — no fix needed.
Aaon black
2.95:1failfailfail
  • AA: use #5671d2 as the text (4.69:1)
  • AAA: use #7e93dd as the text (7.1:1)
  • AA: or shift the background to #cfcfcf (4.57:1)
  • AAA: or shift the background to #ffffff (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #314fb9 as the background.

Brands using this color

Fonts for this mood

#314fb9 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #314fb9
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 #314fb9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/314fb9-9ca0c4-df7a4e-221f2d-e9eff1?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