Color

#19008a

#19008a
hex#19008a
rgbrgb(25, 0, 138)
hslhsl(251, 100%, 27%)
oklchoklch(0.297 0.192 271.6)
Closest name: Dramatic Blue (#240093)Relative luminance 0.0204

Colors that go with #19008a

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 →

#708a00

#002c8a · #5e008a

#8a1900 · #008a19

Split-complementary

Open in tool →

#8a5e00 · #2c8a00

#8a002c · #708a00 · #008a5e

Contrast

#19008a as textRatioAAAA largeAAAFix
Aaon white
14.91:1passpasspassPasses AAA — no fix needed.
Aaon black
1.41:1failfailfail
  • AA: use #7657ff as the text (4.58:1)
  • AAA: use #9b85ff as the text (7.19:1)
  • AA: or shift the background to #8f8f8f (4.61:1)
  • AAA: or shift the background to #b3b3b3 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #19008a as the background.

Brands using this color

Fonts for this mood

#19008a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #19008a
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 #19008a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/19008a-a89cc4-dfb34e-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