Color

#04194d

#04194d
hex#04194d
rgbrgb(4, 25, 77)
hslhsl(223, 90%, 16%)
oklchoklch(0.238 0.1 263.2)
Closest name: Interstellar Blue (#001155)Relative luminance 0.0126

Colors that go with #04194d

Blue Violet, Charcoal and Crimson 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 →

#4e3904

#043e4e · #14044e

#4e0419 · #194e04

Split-complementary

Open in tool →

#4e1404 · #3e4e04

#4e043e · #4e3904 · #044e14

Contrast

#04194d as textRatioAAAA largeAAAFix
Aaon white
16.78:1passpasspassPasses AAA — no fix needed.
Aaon black
1.25:1failfailfail
  • AA: use #346af4 as the text (4.51:1)
  • AAA: use #6e95f7 as the text (7.31:1)
  • AA: or shift the background to #858585 (4.55:1)
  • AAA: or shift the background to #a8a8a8 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #04194d as the background.

Brands using this color

Fonts for this mood

#04194d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #04194d
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 #04194d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/04194d-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