Color

#16319c

#16319c
hex#16319c
rgbrgb(22, 49, 156)
hslhsl(228, 75%, 35%)
oklchoklch(0.375 0.176 266.1)
Closest name: Depths of Night (#2c319b)Relative luminance 0.0477

Colors that go with #16319c

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 →

#9c8116

#16749c · #3e169c

#9c1631 · #319c16

Split-complementary

Open in tool →

#9c3e16 · #749c16

#9c1674 · #9c8116 · #169c3e

Contrast

#16319c as textRatioAAAA largeAAAFix
Aaon white
10.75:1passpasspassPasses AAA — no fix needed.
Aaon black
1.95:1failfailfail
  • AA: use #4c6be6 as the text (4.55:1)
  • AAA: use #7990ec as the text (7.01:1)
  • AA: or shift the background to #a8a8a8 (4.52:1)
  • AAA: or shift the background to #d1d1d1 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #16319c as the background.

Brands using this color

Fonts for this mood

#16319c reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #16319c
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 #16319c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/16319c-9c9fc4-df7c4e-231f2d-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