Color

#1c3192

#1c3192
hex#1c3192
rgbrgb(28, 49, 146)
hslhsl(229, 68%, 34%)
oklchoklch(0.368 0.161 267.7)
Closest name: Depths of Night (#2c319b)Relative luminance 0.0452

Colors that go with #1c3192

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 →

#927c1c

#1c6c92 · #411c92

#921c31 · #31921c

Split-complementary

Open in tool →

#92411c · #6c921c

#921c6c · #927c1c · #1c9241

Contrast

#1c3192 as textRatioAAAA largeAAAFix
Aaon white
11.03:1passpasspassPasses AAA — no fix needed.
Aaon black
1.9:1failfailfail
  • AA: use #546dde as the text (4.62:1)
  • AAA: use #7e92e7 as the text (7.15:1)
  • AA: or shift the background to #a6a6a6 (4.53:1)
  • AAA: or shift the background to #cfcfcf (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 #1c3192 as the background.

Brands using this color

Fonts for this mood

#1c3192 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1c3192
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 #1c3192 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1c3192-9c9fc4-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