Color

#041d5d

#041d5d
hex#041d5d
rgbrgb(4, 29, 93)
hslhsl(223, 92%, 19%)
oklchoklch(0.264 0.118 263.4)
Closest name: Black Sea Night (#052462)Relative luminance 0.0169

Colors that go with #041d5d

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 →

#5d4404

#044a5d · #17045d

#5d041d · #1d5d04

Split-complementary

Open in tool →

#5d1704 · #4a5d04

#5d044a · #5d4404 · #045d17

Contrast

#041d5d as textRatioAAAA largeAAAFix
Aaon white
15.68:1passpasspassPasses AAA — no fix needed.
Aaon black
1.34:1failfailfail
  • AA: use #366df7 as the text (4.69:1)
  • AAA: use #6c94f9 as the text (7.24:1)
  • AA: or shift the background to #8a8a8a (4.54:1)
  • AAA: or shift the background to #b0b0b0 (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #041d5d as the background.

Brands using this color

Fonts for this mood

#041d5d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #041d5d
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 #041d5d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/041d5d-9ca3c4-df704e-211f2d-e9eff1?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