Color

#220b4c

#220b4c
hex#220b4c
rgbrgb(34, 11, 76)
hslhsl(261, 75%, 17%)
oklchoklch(0.235 0.109 291.7)
Closest name: Your Darkness (#220044)Relative luminance 0.011

Colors that go with #220b4c

Charcoal, Royal Blue and Teal 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 →

#354c0b

#0b154c · #420b4c

#4c220b · #0b4c22

Split-complementary

Open in tool →

#4c420b · #154c0b

#4c0b15 · #354c0b · #0b4c42

Contrast

#220b4c as textRatioAAAA largeAAAFix
Aaon white
17.21:1passpasspassPasses AAA — no fix needed.
Aaon black
1.22:1failfailfail
  • AA: use #8855e7 as the text (4.5:1)
  • AAA: use #a882ed as the text (7.08:1)
  • AA: or shift the background to #858585 (4.66:1)
  • AAA: or shift the background to #a6a6a6 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #220b4c 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

#220b4c reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #220b4c
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 #220b4c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/220b4c-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