Color

#0b1900

#0b1900
hex#0b1900
rgbrgb(11, 25, 0)
hslhsl(94, 100%, 5%)
oklchoklch(0.193 0.053 131.8)
Closest name: Nightmare (#112211)Relative luminance 0.0077

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0e0019

#181900 · #001902

#000b19 · #19000b

Split-complementary

Open in tool →

#020019 · #190018

#001819 · #0e0019 · #190200

Contrast

#0b1900 as textRatioAAAA largeAAAFix
Aaon white
18.21:1passpasspassPasses AAA — no fix needed.
Aaon black
1.15:1failfailfail
  • AA: use #398500 as the text (4.53:1)
  • AAA: use #4bad00 as the text (7.28:1)
  • 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 #0b1900 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

#0b1900 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0b1900
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 #0b1900 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0b1900-abbea2-5a4edf-1f2d1f-f0f1e9?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