Color

#000f1f

#000f1f
hex#000f1f
rgbrgb(0, 15, 31)
hslhsl(211, 100%, 6%)
oklchoklch(0.164 0.042 246.4)
Closest name: Dark Rift (#060b14)Relative luminance 0.0044

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1f1000

#001e1f · #01001f

#1f000f · #0f1f00

Split-complementary

Open in tool →

#1f0100 · #1e1f00

#1f001e · #1f1000 · #001f01

Contrast

#000f1f as textRatioAAAA largeAAAFix
Aaon white
19.3:1passpasspassPasses AAA — no fix needed.
Aaon black
1.09:1failfailfail
  • AA: use #0071eb as the text (4.56:1)
  • AAA: use #3898ff as the text (7.1:1)
  • AA: or shift the background to #7d7d7d (4.69:1)
  • AAA: or shift the background to #9c9c9c (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #000f1f as the background.

Brands using this color

Fonts for this mood

#000f1f reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #000f1f
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 #000f1f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/000f1f-9cabc4-df534e-1f202d-e9f1f1?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