Color

#19218a

#19218a
hex#19218a
rgbrgb(25, 33, 138)
hslhsl(236, 69%, 32%)
oklchoklch(0.33 0.169 269.6)
Closest name: Deepsea Kraken (#082599)Relative luminance 0.0313

Colors that go with #19218a

Steel Blue, Blue and Charcoal 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 →

#8a8219

#19598a · #4a198a

#8a1921 · #218a19

Split-complementary

Open in tool →

#8a4a19 · #598a19

#8a1959 · #8a8219 · #198a4a

Contrast

#19218a as textRatioAAAA largeAAAFix
Aaon white
12.92:1passpasspassPasses AAA — no fix needed.
Aaon black
1.63:1failfailfail
  • AA: use #6068e2 as the text (4.58:1)
  • AAA: use #868de9 as the text (7:1)
  • AA: or shift the background to #999999 (4.53:1)
  • AAA: or shift the background to #bfbfbf (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 #19218a as the background.

Brands using this color

Fonts for this mood

#19218a reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #19218a
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 #19218a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/19218a-9e9cc4-df8f4e-241f2d-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