Color

#1c396d

#1c396d
hex#1c396d
rgbrgb(28, 57, 109)
hslhsl(219, 59%, 27%)
oklchoklch(0.352 0.097 261)
Closest name: Atlantic Navy (#13336f)Relative luminance 0.0428

Colors that go with #1c396d

Steel Blue, Blue and Cadet 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 →

#6d511c

#1c616d · #281c6d

#6d1c39 · #396d1c

Split-complementary

Open in tool →

#6d281c · #616d1c

#6d1c61 · #6d511c · #1c6d28

Contrast

#1c396d as textRatioAAAA largeAAAFix
Aaon white
11.32:1passpasspassPasses AAA — no fix needed.
Aaon black
1.86:1failfailfail
  • AA: use #4072ce as the text (4.52:1)
  • AAA: use #7196da as the text (7.08:1)
  • AA: or shift the background to #a6a6a6 (4.65:1)
  • AAA: or shift the background to #cccccc (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 #1c396d as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#1c396d reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1c396d
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 #1c396d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1c396d-9ca5c4-df664e-211f2d-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