Color

#121c19

#121c19
hex#121c19
rgbrgb(18, 28, 25)
hslhsl(162, 22%, 9%)
oklchoklch(0.216 0.016 174.3)
Closest name: Black Stallion (#0e191c)Relative luminance 0.0103

Colors that go with #121c19

Charcoal, Amber and 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 →

#1c1215

#121c14 · #121a1c

#19121c · #1c1912

Split-complementary

Open in tool →

#1c121a · #1c1412

#14121c · #1c1215 · #1a1c12

Contrast

#121c19 as textRatioAAAA largeAAAFix
Aaon white
17.41:1passpasspassPasses AAA — no fix needed.
Aaon black
1.21:1failfailfail
  • AA: use #528072 as the text (4.69:1)
  • AAA: use #6aa08f as the text (7.04:1)
  • AA: or shift the background to #828282 (4.53:1)
  • AAA: or shift the background to #a6a6a6 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #121c19 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#121c19 reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #121c19
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 #121c19 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/121c19-a2beb9-d459b9-1f2b2d-e9f1eb?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