Color

#0c1213

#0c1213
hex#0c1213
rgbrgb(12, 18, 19)
hslhsl(189, 23%, 6%)
oklchoklch(0.176 0.01 208.8)
Closest name: Sinister (#12110e)Relative luminance 0.0056

Tints & shades

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

Harmonies

Complementary

Open in tool →

#130d0c

#0c1310 · #0c0e13

#130c12 · #12130c

Split-complementary

Open in tool →

#130c0e · #13100c

#100c13 · #130d0c · #0e130c

Contrast

#0c1213 as textRatioAAAA largeAAAFix
Aaon white
18.89:1passpasspassPasses AAA — no fix needed.
Aaon black
1.11:1failfailfail
  • AA: use #527c84 as the text (4.58:1)
  • AAA: use #6f9da5 as the text (7.04:1)
  • AA: or shift the background to #7d7d7d (4.59:1)
  • AAA: or shift the background to #9e9e9e (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0c1213 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0c1213 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0c1213
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #0c1213 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0c1213-a2b7be-df4e7e-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