Color

#0f191a

#0f191a
hex#0f191a
rgbrgb(15, 25, 26)
hslhsl(185, 27%, 8%)
oklchoklch(0.204 0.015 203.8)
Closest name: Black Stallion (#0e191c)Relative luminance 0.0087

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1a100f

#0f1a15 · #0f131a

#1a0f19 · #191a0f

Split-complementary

Open in tool →

#1a0f13 · #1a150f

#150f1a · #1a100f · #131a0f

Contrast

#0f191a as textRatioAAAA largeAAAFix
Aaon white
17.88:1passpasspassPasses AAA — no fix needed.
Aaon black
1.17:1failfailfail
  • AA: use #4a7d82 as the text (4.55:1)
  • AAA: use #64a0a6 as the text (7.12:1)
  • AA: or shift the background to #808080 (4.53:1)
  • AAA: or shift the background to #a3a3a3 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0f191a as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0f191a reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f191a
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 #0f191a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f191a-a2b8be-df4e88-1f262d-e9f1ee?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