Color

#0c033a

#0c033a
hex#0c033a
rgbrgb(12, 3, 58)
hslhsl(250, 90%, 12%)
oklchoklch(0.176 0.098 278.4)
Closest name: Quiet Abyss (#160435)Relative luminance 0.0045

Colors that go with #0c033a

Charcoal, Rust and Sea Green 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 →

#313a03

#03153a · #28033a

#3a0c03 · #033a0c

Split-complementary

Open in tool →

#3a2803 · #153a03

#3a0315 · #313a03 · #033a28

Contrast

#0c033a as textRatioAAAA largeAAAFix
Aaon white
19.27:1passpasspassPasses AAA — no fix needed.
Aaon black
1.09:1failfailfail
  • AA: use #745af6 as the text (4.54:1)
  • AAA: use #9986f9 as the text (7.13:1)
  • AA: or shift the background to #7d7d7d (4.68:1)
  • AAA: or shift the background to #9c9c9c (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0c033a 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

#0c033a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0c033a
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 #0c033a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0c033a-a79cc4-dfb14e-281f2d-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