Color

#0b2003

#0b2003
hex#0b2003
rgbrgb(11, 32, 3)
hslhsl(103, 83%, 7%)
oklchoklch(0.218 0.059 137.4)
Closest name: Nightmare (#112211)Relative luminance 0.0111

Colors that go with #0b2003

Blue Violet, Charcoal and Crimson 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 →

#180321

#1a2103 · #032109

#030b21 · #21030b

Split-complementary

Open in tool →

#090321 · #21031a

#031a21 · #180321 · #210903

Contrast

#0b2003 as textRatioAAAA largeAAAFix
Aaon white
17.18:1passpasspassPasses AAA — no fix needed.
Aaon black
1.22:1failfailfail
  • AA: use #2f870d as the text (4.59:1)
  • AAA: use #3cad10 as the text (7.18:1)
  • AA: or shift the background to #858585 (4.66:1)
  • AAA: or shift the background to #a6a6a6 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0b2003 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

#0b2003 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0b2003
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 #0b2003 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0b2003-a6bea2-704edf-1f2d21-eff1e9?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