Color

#001919

#001919
hex#001919
rgbrgb(0, 25, 25)
hslhsl(180, 100%, 5%)
oklchoklch(0.193 0.033 194.8)
Closest name: Black Stallion (#0e191c)Relative luminance 0.0077

Tints & shades

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

Harmonies

Complementary

Open in tool →

#190000

#00190d · #000d19

#190019 · #191900

Split-complementary

Open in tool →

#19000d · #190d00

#0d0019 · #190000 · #0d1900

Contrast

#001919 as textRatioAAAA largeAAAFix
Aaon white
18.21:1passpasspassPasses AAA — no fix needed.
Aaon black
1.15:1failfailfail
  • AA: use #008585 as the text (4.69:1)
  • AAA: use #00a8a8 as the text (7.17:1)
  • AA: or shift the background to #808080 (4.61:1)
  • AAA: or shift the background to #a1a1a1 (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 #001919 as the background.

Brands using this color

Fonts for this mood

#001919 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #001919
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 #001919 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/001919-a2bbbe-d45994-1f272d-e9f1ed?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