Color

#0c034a

#0c034a
hex#0c034a
rgbrgb(12, 3, 74)
hslhsl(248, 92%, 15%)
oklchoklch(0.199 0.119 273.8)
Closest name: Ravenclaw (#0a0555)Relative luminance 0.0064

Colors that go with #0c034a

Charcoal, Sea Green 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 →

#404903

#031d49 · #300349

#490c03 · #03490c

Split-complementary

Open in tool →

#493003 · #1d4903

#49031d · #404903 · #034930

Contrast

#0c034a as textRatioAAAA largeAAAFix
Aaon white
18.62:1passpasspassPasses AAA — no fix needed.
Aaon black
1.13:1failfailfail
  • AA: use #725df8 as the text (4.64:1)
  • AAA: use #9989fa as the text (7.31:1)
  • AA: or shift the background to #7d7d7d (4.52:1)
  • AAA: or shift the background to #a1a1a1 (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0c034a as the background.

Brands using this color

Fonts for this mood

#0c034a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0c034a
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 #0c034a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0c034a-a69cc4-dfac4e-271f2d-e9ecf1?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