Color

#021d01

#021d01
hex#021d01
rgbrgb(2, 29, 1)
hslhsl(118, 93%, 6%)
oklchoklch(0.201 0.064 141.9)
Closest name: Nightmare (#112211)Relative luminance 0.0089

Colors that go with #021d01

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 →

#1d011e

#101e01 · #011e0e

#01021e · #1e0102

Split-complementary

Open in tool →

#0e011e · #1e0110

#01101e · #1d011e · #1e0e01

Contrast

#021d01 as textRatioAAAA largeAAAFix
Aaon white
17.82:1passpasspassPasses AAA — no fix needed.
Aaon black
1.18:1failfailfail
  • AA: use #098a05 as the text (4.65:1)
  • AAA: use #0cb106 as the text (7.31:1)
  • AA: or shift the background to #808080 (4.51:1)
  • AAA: or shift the background to #a3a3a3 (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 #021d01 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

#021d01 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #021d01
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 #021d01 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/021d01-a2bea4-944edf-1f2d25-edf1e9?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