Color

#3164aa

#3164aa
hex#3164aa
rgbrgb(49, 100, 170)
hslhsl(215, 55%, 43%)
oklchoklch(0.504 0.125 257)
Closest name: Denim (#1560bd)Relative luminance 0.1267

Colors that go with #3164aa

Charcoal, Sea Green and Sienna 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 →

#aa7831

#31a0aa · #3b31aa

#aa3164 · #64aa31

Split-complementary

Open in tool →

#aa3b31 · #a0aa31

#aa31a0 · #aa7831 · #31aa3b

Contrast

#3164aa as textRatioAAAA largeAAAFix
Aaon white
5.94:1passpassfail
  • AAA: use #2c5896 as the text (7.13:1)
Aaon black
3.53:1failpassfail
  • AA: use #3d77c7 as the text (4.66:1)
  • AAA: use #6d98d5 as the text (7.1:1)
  • AA: or shift the background to #e0e0e0 (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3164aa as the background.

Brands using this color

Fonts for this mood

#3164aa reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3164aa
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 #3164aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3164aa-9ca8c4-df5d4e-201f2d-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