Color

#19043e

#19043e
hex#19043e
rgbrgb(25, 4, 62)
hslhsl(262, 88%, 13%)
oklchoklch(0.198 0.1 291.2)
Closest name: Quiet Abyss (#160435)Relative luminance 0.0064

Colors that go with #19043e

Charcoal, Royal Blue and Sea Green 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 →

#293e04

#040c3e · #37043e

#3e1904 · #043e19

Split-complementary

Open in tool →

#3e3704 · #0c3e04

#3e040c · #293e04 · #043e37

Contrast

#19043e as textRatioAAAA largeAAAFix
Aaon white
18.61:1passpasspassPasses AAA — no fix needed.
Aaon black
1.13:1failfailfail
  • AA: use #8e52f4 as the text (4.66:1)
  • AAA: use #aa7ef7 as the text (7.04:1)
  • AA: or shift the background to #7d7d7d (4.52:1)
  • AAA: or shift the background to #a1a1a1 (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 #19043e 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

#19043e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #19043e
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 #19043e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/19043e-af9cc4-dfce4e-2a1f2d-e9eaf1?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