Color

#190d4a

#190d4a
hex#190d4a
rgbrgb(25, 13, 74)
hslhsl(252, 70%, 17%)
oklchoklch(0.226 0.105 283)
Closest name: Deadly Depths (#111144)Relative luminance 0.0099

Colors that go with #190d4a

Charcoal, Sea Green 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 →

#3e4a0d

#0d1f4a · #370d4a

#4a190d · #0d4a19

Split-complementary

Open in tool →

#4a370d · #1f4a0d

#4a0d1f · #3e4a0d · #0d4a37

Contrast

#190d4a as textRatioAAAA largeAAAFix
Aaon white
17.53:1passpasspassPasses AAA — no fix needed.
Aaon black
1.2:1failfailfail
  • AA: use #795fe3 as the text (4.56:1)
  • AAA: use #9d8aea as the text (7.26:1)
  • AA: or shift the background to #828282 (4.56:1)
  • AAA: or shift the background to #a6a6a6 (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 #190d4a as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#190d4a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #190d4a
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 #190d4a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/190d4a-a99cc4-dfb64e-281f2d-e9ecf1?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