Color

#16256a

#16256a
hex#16256a
rgbrgb(22, 37, 106)
hslhsl(229, 66%, 25%)
oklchoklch(0.302 0.122 268.5)
Closest name: Black Sea Night (#052462)Relative luminance 0.0253

Colors that go with #16256a

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 →

#6a5a16

#164f6a · #30166a

#6a1625 · #256a16

Split-complementary

Open in tool →

#6a3016 · #4f6a16

#6a164f · #6a5a16 · #166a30

Contrast

#16256a as textRatioAAAA largeAAAFix
Aaon white
13.94:1passpasspassPasses AAA — no fix needed.
Aaon black
1.51:1failfailfail
  • AA: use #566edc as the text (4.66:1)
  • AAA: use #8093e5 as the text (7.22:1)
  • AA: or shift the background to #949494 (4.59:1)
  • AAA: or shift the background to #b8b8b8 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #16256a as the background.

Brands using this color

Fonts for this mood

#16256a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #16256a
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 #16256a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/16256a-9c9fc4-df7e4e-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