Color

#191f0a

#191f0a
hex#191f0a
rgbrgb(25, 31, 10)
hslhsl(77, 51%, 8%)
oklchoklch(0.227 0.038 122.6)
Closest name: Nightmare (#112211)Relative luminance 0.0121

Colors that go with #191f0a

Charcoal, Royal Blue 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 →

#100a1f

#1f1a0a · #0f1f0a

#0a191f · #1f0a19

Split-complementary

Open in tool →

#0a0f1f · #1a0a1f

#0a1f1a · #100a1f · #1f0a0f

Contrast

#191f0a as textRatioAAAA largeAAAFix
Aaon white
16.91:1passpasspassPasses AAA — no fix needed.
Aaon black
1.24:1failfailfail
  • AA: use #677f29 as the text (4.64:1)
  • AAA: use #83a234 as the text (7.18:1)
  • AA: or shift the background to #858585 (4.58:1)
  • AAA: or shift the background to #a8a8a8 (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 #191f0a as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#191f0a reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #191f0a
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 #191f0a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/191f0a-b3bea2-4e6bdf-232d1f-f1efe9?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