Color

#19029d

#19029d
hex#19029d
rgbrgb(25, 2, 157)
hslhsl(249, 97%, 31%)
oklchoklch(0.325 0.211 269.9)
Closest name: Dramatic Blue (#240093)Relative luminance 0.0268

Colors that go with #19029d

Steel Blue, Cobalt Blue and Crimson 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 →

#859c02

#02389c · #66029c

#9c1902 · #029c19

Split-complementary

Open in tool →

#9c6602 · #389c02

#9c0238 · #859c02 · #029c66

Contrast

#19029d as textRatioAAAA largeAAAFix
Aaon white
13.66:1passpasspassPasses AAA — no fix needed.
Aaon black
1.54:1failfailfail
  • AA: use #7259fc as the text (4.55:1)
  • AAA: use #9886fd as the text (7.16:1)
  • AA: or shift the background to #949494 (4.5:1)
  • AAA: or shift the background to #bababa (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #19029d as the background.

Brands using this color

Fonts for this mood

#19029d reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #19029d
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 #19029d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/19029d-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