Color

#191f2a

#191f2a
hex#191f2a
rgbrgb(25, 31, 42)
hslhsl(219, 25%, 13%)
oklchoklch(0.239 0.023 262.4)
Closest name: Dark (#1b2431)Relative luminance 0.0135

Tints & shades

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

Harmonies

Complementary

Open in tool →

#292419

#192729 · #1b1929

#29191f · #1f2919

Split-complementary

Open in tool →

#291b19 · #272919

#291927 · #292419 · #19291b

Contrast

#191f2a as textRatioAAAA largeAAAFix
Aaon white
16.53:1passpasspassPasses AAA — no fix needed.
Aaon black
1.27:1failfailfail
  • AA: use #60769f as the text (4.59:1)
  • AAA: use #8697b6 as the text (7.12:1)
  • AA: or shift the background to #878787 (4.6:1)
  • AAA: or shift the background to #ababab (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 #191f2a as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#191f2a reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #191f2a
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 #191f2a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/191f2a-9ca5c4-df664e-211f2d-e9f0f1?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