Color

#220b65

#220b65
hex#220b65
rgbrgb(34, 11, 101)
hslhsl(255, 80%, 22%)
oklchoklch(0.264 0.14 282.8)
Closest name: Blackmail (#220066)Relative luminance 0.0152

Colors that go with #220b65

Charcoal, Denim and Cadet Blue 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 →

#4f650b

#0b2265 · #4f0b65

#65220b · #0b6522

Split-complementary

Open in tool →

#654f0b · #22650b

#650b22 · #4f650b · #0b654f

Contrast

#220b65 as textRatioAAAA largeAAAFix
Aaon white
16.11:1passpasspassPasses AAA — no fix needed.
Aaon black
1.3:1failfailfail
  • AA: use #7e5aed as the text (4.57:1)
  • AAA: use #a288f2 as the text (7.34:1)
  • AA: or shift the background to #8a8a8a (4.67:1)
  • AAA: or shift the background to #ababab (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #220b65 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

#220b65 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #220b65
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 #220b65 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/220b65-ab9cc4-dfbd4e-291f2d-e9ebf1?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