Color

#314ea5

#314ea5
hex#314ea5
rgbrgb(49, 78, 165)
hslhsl(225, 54%, 42%)
oklchoklch(0.452 0.145 266.7)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.0882

Colors that go with #314ea5

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 →

#a58831

#3188a5 · #4e31a5

#a5314e · #4ea531

Split-complementary

Open in tool →

#a54e31 · #88a531

#a53188 · #a58831 · #31a54e

Contrast

#314ea5 as textRatioAAAA largeAAAFix
Aaon white
7.6:1passpasspassPasses AAA — no fix needed.
Aaon black
2.76:1failfailfail
  • AA: use #5271cb as the text (4.58:1)
  • AAA: use #7d94d8 as the text (7.1:1)
  • AA: or shift the background to #c9c9c9 (4.59:1)
  • AAA: or shift the background to #f7f7f7 (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 #314ea5 as the background.

Brands using this color

Fonts for this mood

#314ea5 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #314ea5
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 #314ea5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/314ea5-9ca1c4-df754e-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