Color

#04078b

#04078b
hex#04078b
rgbrgb(4, 7, 139)
hslhsl(239, 94%, 28%)
oklchoklch(0.295 0.195 265.1)
Closest name: darkblue (#00008b)Relative luminance 0.0204

Colors that go with #04078b

Crimson, Steel Blue and Charcoal 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 →

#8b8804

#044a8b · #45048b

#8b0407 · #078b04

Split-complementary

Open in tool →

#8b4504 · #4a8b04

#8b044a · #8b8804 · #048b45

Contrast

#04078b as textRatioAAAA largeAAAFix
Aaon white
14.91:1passpasspassPasses AAA — no fix needed.
Aaon black
1.41:1failfailfail
  • AA: use #6163fa as the text (4.67:1)
  • AAA: use #888afb as the text (7.08:1)
  • AA: or shift the background to #8f8f8f (4.61:1)
  • AAA: or shift the background to #b3b3b3 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #04078b as the background.

Brands using this color

Fonts for this mood

#04078b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #04078b
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 #04078b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/04078b-a09cc4-df964e-251f2d-e9edf1?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