Color

#021801

#021801
hex#021801
rgbrgb(2, 24, 1)
hslhsl(117, 92%, 5%)
oklchoklch(0.183 0.057 141.7)
Closest name: Cosmic Bit Flip (#001000)Relative luminance 0.0067

Colors that go with #021801

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 →

#170118

#0e1801 · #01180c

#010218 · #180102

Split-complementary

Open in tool →

#0c0118 · #18010e

#010e18 · #170118 · #180c01

Contrast

#021801 as textRatioAAAA largeAAAFix
Aaon white
18.52:1passpasspassPasses AAA — no fix needed.
Aaon black
1.13:1failfailfail
  • AA: use #0c8906 as the text (4.6:1)
  • AAA: use #10b007 as the text (7.24:1)
  • AA: or shift the background to #7d7d7d (4.5:1)
  • AAA: or shift the background to #a1a1a1 (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #021801 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

#021801 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #021801
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 #021801 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/021801-a2bea4-924edf-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