Color

#021c03

#021c03
hex#021c03
rgbrgb(2, 28, 3)
hslhsl(122, 87%, 6%)
oklchoklch(0.198 0.059 143.8)
Closest name: Nightmare (#112211)Relative luminance 0.0085

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1d021c

#0e1d02 · #021d10

#03021d · #1d0302

Split-complementary

Open in tool →

#10021d · #1d020e

#020e1d · #1d021c · #1d1002

Contrast

#021c03 as textRatioAAAA largeAAAFix
Aaon white
17.95:1passpasspassPasses AAA — no fix needed.
Aaon black
1.17:1failfailfail
  • AA: use #0a8a0e as the text (4.65:1)
  • AAA: use #0cb012 as the text (7.23:1)
  • AA: or shift the background to #808080 (4.54:1)
  • AAA: or shift the background to #a3a3a3 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #021c03 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

#021c03 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #021c03
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #021c03 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/021c03-a2bea6-9e4edf-1f2d26-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