Color

#0c2f73

#0c2f73
hex#0c2f73
rgbrgb(12, 47, 115)
hslhsl(220, 81%, 25%)
oklchoklch(0.328 0.124 261.9)
Closest name: Atlantic Navy (#13336f)Relative luminance 0.0335

Colors that go with #0c2f73

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 →

#73510c

#0c6273 · #1d0c73

#730c2f · #2f730c

Split-complementary

Open in tool →

#731d0c · #62730c

#730c62 · #73510c · #0c731d

Contrast

#0c2f73 as textRatioAAAA largeAAAFix
Aaon white
12.58:1passpasspassPasses AAA — no fix needed.
Aaon black
1.67:1failfailfail
  • AA: use #3471ea as the text (4.7:1)
  • AAA: use #6794ef as the text (7.06:1)
  • AA: or shift the background to #9c9c9c (4.58:1)
  • AAA: or shift the background to #c2c2c2 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0c2f73 as the background.

Brands using this color

Fonts for this mood

#0c2f73 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0c2f73
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 #0c2f73 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0c2f73-9ca5c4-df694e-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