Color

#161f64

#161f64
hex#161f64
rgbrgb(22, 31, 100)
hslhsl(233, 64%, 24%)
oklchoklch(0.284 0.121 270.6)
Closest name: Black Sea Night (#052462)Relative luminance 0.0207

Colors that go with #161f64

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 →

#645b16

#164664 · #341664

#64161f · #1f6416

Split-complementary

Open in tool →

#643416 · #466416

#641646 · #645b16 · #166434

Contrast

#161f64 as textRatioAAAA largeAAAFix
Aaon white
14.85:1passpasspassPasses AAA — no fix needed.
Aaon black
1.41:1failfailfail
  • AA: use #5c6bdb as the text (4.58:1)
  • AAA: use #8691e4 as the text (7.18:1)
  • AA: or shift the background to #8f8f8f (4.59:1)
  • AAA: or shift the background to #b3b3b3 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #161f64 as the background.

Brands using this color

Fonts for this mood

#161f64 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #161f64
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 #161f64 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/161f64-9c9cc4-df884e-241f2d-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