Color

#191019

#191019
hex#191019
rgbrgb(25, 16, 25)
hslhsl(300, 22%, 8%)
oklchoklch(0.189 0.023 326.4)
Closest name: Back in Black (#16141c)Relative luminance 0.0065

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#101910

#141019 · #191014

#191910 · #101919

Split-complementary

Open in tool →

#141910 · #101914

#191410 · #101910 · #101419

Contrast

#191019 as textRatioAAAA largeAAAFix
Aaon white
18.59:1passpasspassPasses AAA — no fix needed.
Aaon black
1.13:1failfailfail
  • AA: use #9c639c as the text (4.68:1)
  • AAA: use #b389b3 as the text (7.15:1)
  • AA: or shift the background to #7d7d7d (4.52:1)
  • AAA: or shift the background to #a1a1a1 (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #191019 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#191019 reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #191019
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #191019 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/191019-c19fbd-95cb62-2d1f27-ede9f1?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