Color

#191d1f

#191d1f
hex#191d1f
rgbrgb(25, 29, 31)
hslhsl(200, 11%, 11%)
oklchoklch(0.227 0.007 229.2)
Closest name: Coco’s Black (#1c1c1a)Relative luminance 0.0118

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1f1b19

#191f1e · #191a1f

#1f191d · #1d1f19

Split-complementary

Open in tool →

#1f191a · #1f1e19

#1e191f · #1f1b19 · #1a1f19

Contrast

#191d1f as textRatioAAAA largeAAAFix
Aaon white
16.98:1passpasspassPasses AAA — no fix needed.
Aaon black
1.24:1failfailfail
  • AA: use #66777f as the text (4.51:1)
  • AAA: use #8898a0 as the text (7.05:1)
  • AA: or shift the background to #858585 (4.6:1)
  • AAA: or shift the background to #a8a8a8 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #191d1f as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#191d1f reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #191d1f
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 #191d1f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/191d1f-9cb2c4-df4e64-1f232d-e9f1f0?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