Color

#0f0f1f

#0f0f1f
hex#0f0f1f
rgbrgb(15, 15, 31)
hslhsl(240, 35%, 9%)
oklchoklch(0.178 0.033 282.6)
Closest name: Corbeau (#111122)Relative luminance 0.0054

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1f1f0f

#0f171f · #170f1f

#1f0f0f · #0f1f0f

Split-complementary

Open in tool →

#1f170f · #171f0f

#1f0f17 · #1f1f0f · #0f1f17

Contrast

#0f0f1f as textRatioAAAA largeAAAFix
Aaon white
18.95:1passpasspassPasses AAA — no fix needed.
Aaon black
1.11:1failfailfail
  • AA: use #6e6eb9 as the text (4.59:1)
  • AAA: use #9191ca as the text (7.11:1)
  • AA: or shift the background to #7d7d7d (4.6:1)
  • AAA: or shift the background to #9e9e9e (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 #0f0f1f as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0f0f1f reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f0f1f
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 #0f0f1f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f0f1f-a19cc4-df994e-251f2d-e9edf1?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