Color

#191f34

#191f34
hex#191f34
rgbrgb(25, 31, 52)
hslhsl(227, 35%, 15%)
oklchoklch(0.244 0.041 271)
Closest name: Eclipse Elixir (#1f2133)Relative luminance 0.0143

Colors that go with #191f34

Charcoal, Dark Olive Green and Sea Green 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 →

#342e19

#192c34 · #201934

#34191f · #1f3419

Split-complementary

Open in tool →

#342019 · #2c3419

#34192c · #342e19 · #193420

Contrast

#191f34 as textRatioAAAA largeAAAFix
Aaon white
16.32:1passpasspassPasses AAA — no fix needed.
Aaon black
1.29:1failfailfail
  • AA: use #6172b3 as the text (4.57:1)
  • AAA: use #8794c5 as the text (7.07:1)
  • AA: or shift the background to #878787 (4.54:1)
  • AAA: or shift the background to #ababab (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #191f34 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#191f34 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #191f34
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 #191f34 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/191f34-9ca0c4-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