Color

#04225d

#04225d
hex#04225d
rgbrgb(4, 34, 93)
hslhsl(220, 92%, 19%)
oklchoklch(0.275 0.111 261.6)
Closest name: Black Sea Night (#052462)Relative luminance 0.0196

Colors that go with #04225d

Charcoal, Crimson and Steel 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 →

#5d3f04

#044e5d · #13045d

#5d0422 · #225d04

Split-complementary

Open in tool →

#5d1304 · #4e5d04

#5d044e · #5d3f04 · #045d13

Contrast

#04225d as textRatioAAAA largeAAAFix
Aaon white
15.09:1passpasspassPasses AAA — no fix needed.
Aaon black
1.39:1failfailfail
  • AA: use #286cf6 as the text (4.57:1)
  • AAA: use #6294f8 as the text (7.11:1)
  • AA: or shift the background to #8f8f8f (4.66:1)
  • AAA: or shift the background to #b3b3b3 (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #04225d as the background.

Brands using this color

Fonts for this mood

#04225d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #04225d
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 #04225d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/04225d-9ca5c4-df694e-211f2d-e9f0f1?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