Color

#19286b

#19286b
hex#19286b
rgbrgb(25, 40, 107)
hslhsl(229, 62%, 26%)
oklchoklch(0.311 0.118 268.8)
Closest name: Black Sea Night (#052462)Relative luminance 0.0279

Colors that go with #19286b

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 →

#6b5c19

#19516b · #33196b

#6b1928 · #286b19

Split-complementary

Open in tool →

#6b3319 · #516b19

#6b1951 · #6b5c19 · #196b33

Contrast

#19286b as textRatioAAAA largeAAAFix
Aaon white
13.49:1passpasspassPasses AAA — no fix needed.
Aaon black
1.56:1failfailfail
  • AA: use #566dd7 as the text (4.56:1)
  • AAA: use #7f91e1 as the text (7.04:1)
  • AA: or shift the background to #969696 (4.56:1)
  • AAA: or shift the background to #bdbdbd (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #19286b as the background.

Brands using this color

Fonts for this mood

#19286b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #19286b
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 #19286b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/19286b-9c9fc4-df7e4e-231f2d-e9eef1?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