Color

#19455d

#19455d
hex#19455d
rgbrgb(25, 69, 93)
hslhsl(201, 58%, 23%)
oklchoklch(0.372 0.063 236)
Closest name: Capital Blue (#1a4157)Relative luminance 0.0525

Colors that go with #19455d

Royal Blue, Teal and Sienna 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 →

#5d3019

#195d52 · #19235d

#5d1945 · #455d19

Split-complementary

Open in tool →

#5d1923 · #5d5219

#52195d · #5d3019 · #235d19

Contrast

#19455d as textRatioAAAA largeAAAFix
Aaon white
10.24:1passpasspassPasses AAA — no fix needed.
Aaon black
2.05:1failfailfail
  • AA: use #2d7ea9 as the text (4.67:1)
  • AAA: use #469ece as the text (7.04:1)
  • AA: or shift the background to #adadad (4.56:1)
  • AAA: or shift the background to #d6d6d6 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #19455d as the background.

Brands using this color

Fonts for this mood

#19455d reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #19455d
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 #19455d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/19455d-9cb1c4-df4e62-1f222d-e9f1f0?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