Color

#0c282c

#0c282c
hex#0c282c
rgbrgb(12, 40, 44)
hslhsl(188, 57%, 11%)
oklchoklch(0.258 0.034 208)
Closest name: Black Box (#0f282f)Relative luminance 0.0178

Colors that go with #0c282c

Charcoal, Rust and Sienna 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.

Real palettes that use #0c282c

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#2c100c

#0c2c20 · #0c182c

#2c0c28 · #282c0c

Split-complementary

Open in tool →

#2c0c18 · #2c200c

#200c2c · #2c100c · #182c0c

Contrast

#0c282c as textRatioAAAA largeAAAFix
Aaon white
15.49:1passpasspassPasses AAA — no fix needed.
Aaon black
1.36:1failfailfail
  • AA: use #278290 as the text (4.68:1)
  • AAA: use #31a3b4 as the text (7.03:1)
  • AA: or shift the background to #8c8c8c (4.61:1)
  • AAA: or shift the background to #b0b0b0 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0c282c 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

#0c282c reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0c282c
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 #0c282c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0c282c-a2b7be-df4e81-1f252d-e9f1ee?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