Color

#0f0b13

#0f0b13
hex#0f0b13
rgbrgb(15, 11, 19)
hslhsl(270, 27%, 6%)
oklchoklch(0.159 0.018 307.2)
Closest name: Midnight Oil (#0b0c14)Relative luminance 0.0039

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0f130b

#0b0b13 · #130b13

#130f0b · #0b130f

Split-complementary

Open in tool →

#13130b · #0b130b

#130b0b · #0f130b · #0b1313

Contrast

#0f0b13 as textRatioAAAA largeAAAFix
Aaon white
19.49:1passpasspassPasses AAA — no fix needed.
Aaon black
1.08:1failfailfail
  • AA: use #8767a8 as the text (4.54:1)
  • AAA: use #a68ebe as the text (7.23:1)
  • AA: or shift the background to #7a7a7a (4.54:1)
  • AAA: or shift the background to #9c9c9c (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0f0b13 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0f0b13 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f0b13
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 #0f0b13 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f0b13-b59cc4-c9cb62-2c1f2d-eae9f1?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