Color

#19058a

#19058a
hex#19058a
rgbrgb(25, 5, 138)
hslhsl(249, 93%, 28%)
oklchoklch(0.3 0.189 271.5)
Closest name: Dramatic Blue (#240093)Relative luminance 0.0215

Colors that go with #19058a

Steel Blue, Charcoal and Cobalt 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 →

#768a05

#05338a · #5b058a

#8a1905 · #058a19

Split-complementary

Open in tool →

#8a5b05 · #338a05

#8a0533 · #768a05 · #058a5b

Contrast

#19058a as textRatioAAAA largeAAAFix
Aaon white
14.68:1passpasspassPasses AAA — no fix needed.
Aaon black
1.43:1failfailfail
  • AA: use #745df9 as the text (4.68:1)
  • AAA: use #9a89fb as the text (7.35:1)
  • AA: or shift the background to #8f8f8f (4.54:1)
  • AAA: or shift the background to #b3b3b3 (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #19058a as the background.

Brands using this color

Fonts for this mood

#19058a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #19058a
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 #19058a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/19058a-a79cc4-dfae4e-271f2d-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