Color

#041b6c

#041b6c
hex#041b6c
rgbrgb(4, 27, 108)
hslhsl(227, 93%, 22%)
oklchoklch(0.277 0.142 264.5)
Closest name: midnightblue (#191970)Relative luminance 0.0189

Colors that go with #041b6c

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 →

#6c5604

#044f6c · #21046c

#6c041b · #1b6c04

Split-complementary

Open in tool →

#6c2104 · #4f6c04

#6c044f · #6c5604 · #046c21

Contrast

#041b6c as textRatioAAAA largeAAAFix
Aaon white
15.23:1passpasspassPasses AAA — no fix needed.
Aaon black
1.38:1failfailfail
  • AA: use #3f67f8 as the text (4.51:1)
  • AAA: use #7592fa as the text (7.25:1)
  • AA: or shift the background to #8c8c8c (4.53:1)
  • AAA: or shift the background to #b0b0b0 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #041b6c as the background.

Brands using this color

Fonts for this mood

#041b6c reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #041b6c
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 #041b6c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/041b6c-9ca0c4-df7a4e-221f2d-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