Color

#19034e

#19034e
hex#19034e
rgbrgb(25, 3, 78)
hslhsl(258, 93%, 16%)
oklchoklch(0.217 0.121 284.1)
Closest name: Your Darkness (#220044)Relative luminance 0.0082

Colors that go with #19034e

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 →

#384f03

#03124f · #40034f

#4f1a03 · #034f1a

Split-complementary

Open in tool →

#4f4003 · #124f03

#4f0312 · #384f03 · #034f40

Contrast

#19034e as textRatioAAAA largeAAAFix
Aaon white
18.04:1passpasspassPasses AAA — no fix needed.
Aaon black
1.16:1failfailfail
  • AA: use #8553f9 as the text (4.6:1)
  • AAA: use #a884fb as the text (7.36:1)
  • AA: or shift the background to #808080 (4.57:1)
  • AAA: or shift the background to #a3a3a3 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #19034e as the background.

Brands using this color

Fonts for this mood

#19034e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #19034e
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 #19034e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/19034e-ad9cc4-dfc44e-291f2d-e9ebf1?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