Color

#19359a

#19359a
hex#19359a
rgbrgb(25, 53, 154)
hslhsl(227, 72%, 35%)
oklchoklch(0.382 0.167 266.1)
Closest name: Depths of Night (#2c319b)Relative luminance 0.0509

Colors that go with #19359a

Charcoal, Steel Blue and 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 →

#9a7e19

#19759a · #3d199a

#9a1935 · #359a19

Split-complementary

Open in tool →

#9a3d19 · #759a19

#9a1975 · #9a7e19 · #199a3d

Contrast

#19359a as textRatioAAAA largeAAAFix
Aaon white
10.41:1passpasspassPasses AAA — no fix needed.
Aaon black
2.02:1failfailfail
  • AA: use #4b6ce2 as the text (4.54:1)
  • AAA: use #7b93ea as the text (7.2:1)
  • AA: or shift the background to #ababab (4.53:1)
  • AAA: or shift the background to #d4d4d4 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #19359a as the background.

Brands using this color

Fonts for this mood

#19359a reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #19359a
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 #19359a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/19359a-9ca0c4-df7a4e-221f2d-e9eff1?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