Color

#191c2f

#191c2f
hex#191c2f
rgbrgb(25, 28, 47)
hslhsl(232, 31%, 14%)
oklchoklch(0.233 0.037 276.3)
Closest name: Dark Knight (#151931)Relative luminance 0.0124

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2f2c19

#19272f · #21192f

#2f191c · #1c2f19

Split-complementary

Open in tool →

#2f2119 · #272f19

#2f1927 · #2f2c19 · #192f21

Contrast

#191c2f as textRatioAAAA largeAAAFix
Aaon white
16.82:1passpasspassPasses AAA — no fix needed.
Aaon black
1.25:1failfailfail
  • AA: use #6972b0 as the text (4.63:1)
  • AAA: use #8d95c3 as the text (7.22:1)
  • AA: or shift the background to #858585 (4.56:1)
  • AAA: or shift the background to #a8a8a8 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #191c2f as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#191c2f reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #191c2f
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 #191c2f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/191c2f-9c9dc4-df864e-231f2d-e9eef1?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