Color

#221933

#221933
hex#221933
rgbrgb(34, 25, 51)
hslhsl(261, 34%, 15%)
oklchoklch(0.238 0.05 298.5)
Closest name: Dark Knight (#151931)Relative luminance 0.0127

Colors that go with #221933

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 →

#2a3319

#191d33 · #2f1933

#332219 · #193322

Split-complementary

Open in tool →

#332f19 · #1d3319

#33191d · #2a3319 · #19332f

Contrast

#221933 as textRatioAAAA largeAAAFix
Aaon white
16.73:1passpasspassPasses AAA — no fix needed.
Aaon black
1.25:1failfailfail
  • AA: use #8369b5 as the text (4.65:1)
  • AAA: use #a28ec7 as the text (7.23:1)
  • AA: or shift the background to #858585 (4.54:1)
  • AAA: or shift the background to #a8a8a8 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #221933 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

#221933 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #221933
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 #221933 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/221933-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