Color

#190e4e

#190e4e
hex#190e4e
rgbrgb(25, 14, 78)
hslhsl(250, 70%, 18%)
oklchoklch(0.232 0.11 281.5)
Closest name: Deadly Depths (#111144)Relative luminance 0.0107

Colors that go with #190e4e

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 →

#434e0e

#0e234e · #390e4e

#4e180e · #0e4e18

Split-complementary

Open in tool →

#4e390e · #234e0e

#4e0e23 · #434e0e · #0e4e39

Contrast

#190e4e as textRatioAAAA largeAAAFix
Aaon white
17.3:1passpasspassPasses AAA — no fix needed.
Aaon black
1.21:1failfailfail
  • AA: use #755fe3 as the text (4.5:1)
  • AAA: use #9a8aea as the text (7.2:1)
  • AA: or shift the background to #828282 (4.5:1)
  • AAA: or shift the background to #a6a6a6 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #190e4e 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

#190e4e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #190e4e
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 #190e4e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/190e4e-a79cc4-dfb14e-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