Color

#021c0a

#021c0a
hex#021c0a
rgbrgb(2, 28, 10)
hslhsl(138, 87%, 6%)
oklchoklch(0.2 0.049 151.5)
Closest name: Nightmare (#112211)Relative luminance 0.0087

Colors that go with #021c0a

Blue Violet, Charcoal and Royal 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 →

#1d0215

#071d02 · #021d17

#0a021d · #1d0a02

Split-complementary

Open in tool →

#17021d · #1d0207

#02071d · #1d0215 · #1d1702

Contrast

#021c0a as textRatioAAAA largeAAAFix
Aaon white
17.9:1passpasspassPasses AAA — no fix needed.
Aaon black
1.17:1failfailfail
  • AA: use #0a8a30 as the text (4.69:1)
  • AAA: use #0cb03e as the text (7.3:1)
  • AA: or shift the background to #808080 (4.53:1)
  • AAA: or shift the background to #a3a3a3 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #021c0a 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

#021c0a reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #021c0a
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 #021c0a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/021c0a-a2beae-be59d4-1f2d29-ebf1e9?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