Color

#221835

#221835
hex#221835
rgbrgb(34, 24, 53)
hslhsl(261, 38%, 15%)
oklchoklch(0.237 0.055 298)
Closest name: Dark Knight (#151931)Relative luminance 0.0125

Colors that go with #221835

Charcoal, Dark Olive Green and Sea Green 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 →

#2b3518

#181c35 · #301835

#352218 · #183522

Split-complementary

Open in tool →

#353018 · #1c3518

#35181c · #2b3518 · #183530

Contrast

#221835 as textRatioAAAA largeAAAFix
Aaon white
16.8:1passpasspassPasses AAA — no fix needed.
Aaon black
1.25:1failfailfail
  • AA: use #8568bb as the text (4.7:1)
  • AAA: use #a18bcb as the text (7.07:1)
  • AA: or shift the background to #858585 (4.55:1)
  • AAA: or shift the background to #a8a8a8 (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 #221835 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

#221835 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #221835
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 #221835 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/221835-af9cc4-dfcb4e-2a1f2d-e9eaf1?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