Color

#0c2945

#0c2945
hex#0c2945
rgbrgb(12, 41, 69)
hslhsl(209, 70%, 16%)
oklchoklch(0.275 0.062 250.5)
Closest name: Eternal Darkness (#1c2841)Relative luminance 0.0209

Colors that go with #0c2945

Charcoal, Crimson and Rust 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 →

#45280c

#0c4544 · #0c0d45

#450c2a · #2a450c

Split-complementary

Open in tool →

#450c0d · #45440c

#440c45 · #45280c · #0d450c

Contrast

#0c2945 as textRatioAAAA largeAAAFix
Aaon white
14.8:1passpasspassPasses AAA — no fix needed.
Aaon black
1.42:1failfailfail
  • AA: use #2378c7 as the text (4.58:1)
  • AAA: use #529be0 as the text (7.12:1)
  • AA: or shift the background to #8f8f8f (4.58:1)
  • AAA: or shift the background to #b3b3b3 (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 #0c2945 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0c2945 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0c2945
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 #0c2945 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0c2945-9cacc4-df4e4e-1f212d-e9f1f1?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