Color

#0b021c

#0b021c
hex#0b021c
rgbrgb(11, 2, 28)
hslhsl(261, 87%, 6%)
oklchoklch(0.133 0.059 297)
Closest name: Obsidian Shard (#060313)Relative luminance 0.002

Colors that go with #0b021c

Charcoal, Royal Blue and Sea Green 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.

Real palettes that use #0b021c

Tints & shades

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

Harmonies

Complementary

Open in tool →

#131d02

#02061d · #19021d

#1d0b02 · #021d0b

Split-complementary

Open in tool →

#1d1902 · #061d02

#1d0206 · #131d02 · #021d19

Contrast

#0b021c as textRatioAAAA largeAAAFix
Aaon white
20.2:1passpasspassPasses AAA — no fix needed.
Aaon black
1.04:1failfailfail
  • AA: use #8b53f3 as the text (4.63:1)
  • AAA: use #ab83f6 as the text (7.31:1)
  • AA: or shift the background to #787878 (4.57:1)
  • AAA: or shift the background to #999999 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0b021c 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

#0b021c reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0b021c
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 #0b021c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0b021c-af9cc4-dfcb4e-2a1f2d-e9eaf1?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