Color

#19454d

#19454d
hex#19454d
rgbrgb(25, 69, 77)
hslhsl(189, 51%, 20%)
oklchoklch(0.364 0.05 211.4)
Closest name: Cold and Dark (#154250)Relative luminance 0.05

Colors that go with #19454d

Steel Blue, Teal and Rust 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 →

#4d2119

#194d3b · #192b4d

#4d1945 · #454d19

Split-complementary

Open in tool →

#4d192b · #4d3b19

#3b194d · #4d2119 · #2b4d19

Contrast

#19454d as textRatioAAAA largeAAAFix
Aaon white
10.5:1passpasspassPasses AAA — no fix needed.
Aaon black
2:1failfailfail
  • AA: use #2e808e as the text (4.59:1)
  • AAA: use #3ba3b5 as the text (7.09:1)
  • AA: or shift the background to #ababab (4.57:1)
  • AAA: or shift the background to #d4d4d4 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #19454d as the background.

Brands using this color

Fonts for this mood

#19454d reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #19454d
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 #19454d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/19454d-a2b7be-df4e7e-1f252d-e9f1ee?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