Color

#021d0f

#021d0f
hex#021d0f
rgbrgb(2, 29, 15)
hslhsl(149, 87%, 6%)
oklchoklch(0.205 0.044 157.9)
Closest name: Nightmare (#112211)Relative luminance 0.0093

Colors that go with #021d0f

Charcoal, Crimson 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 →

#1d0210

#021d02 · #021d1c

#0f021d · #1d0f02

Split-complementary

Open in tool →

#1c021d · #1d0202

#02021d · #1d0210 · #1d1c02

Contrast

#021d0f as textRatioAAAA largeAAAFix
Aaon white
17.72:1passpasspassPasses AAA — no fix needed.
Aaon black
1.19:1failfailfail
  • AA: use #098645 as the text (4.51:1)
  • AAA: use #0cac59 as the text (7.06:1)
  • AA: or shift the background to #828282 (4.61:1)
  • AAA: or shift the background to #a3a3a3 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #021d0f 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

#021d0f reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #021d0f
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 #021d0f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/021d0f-a2beb3-d459d4-1f2d2c-e9f1e9?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