Color

#16509c

#16509c
hex#16509c
rgbrgb(22, 80, 156)
hslhsl(214, 75%, 35%)
oklchoklch(0.44 0.137 257.2)
Closest name: Blue Chip (#1d5699)Relative luminance 0.0831

Colors that go with #16509c

Charcoal, Crimson 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 →

#9c6216

#16939c · #1f169c

#9c1650 · #509c16

Split-complementary

Open in tool →

#9c1f16 · #939c16

#9c1693 · #9c6216 · #169c1f

Contrast

#16509c as textRatioAAAA largeAAAFix
Aaon white
7.89:1passpasspassPasses AAA — no fix needed.
Aaon black
2.66:1failfailfail
  • AA: use #2073df as the text (4.58:1)
  • AAA: use #5a97e7 as the text (7.02:1)
  • AA: or shift the background to #c4c4c4 (4.52:1)
  • AAA: or shift the background to #f2f2f2 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #16509c as the background.

Brands using this color

Fonts for this mood

#16509c reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #16509c
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 #16509c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/16509c-9ca9c4-df5a4e-1f1f2d-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