Color

#0f0312

#0f0312
hex#0f0312
rgbrgb(15, 3, 18)
hslhsl(288, 71%, 4%)
oklchoklch(0.133 0.042 320.5)
Closest name: Glossy Black (#110011)Relative luminance 0.0021

Tints & shades

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

Harmonies

Complementary

Open in tool →

#061103

#070311 · #11030d

#110f03 · #03110f

Split-complementary

Open in tool →

#0d1103 · #031107

#110703 · #061103 · #030d11

Contrast

#0f0312 as textRatioAAAA largeAAAFix
Aaon white
20.15:1passpasspassPasses AAA — no fix needed.
Aaon black
1.04:1failfailfail
  • AA: use #ba32dc as the text (4.58:1)
  • AAA: use #cf6fe7 as the text (7.08:1)
  • AA: or shift the background to #787878 (4.56:1)
  • AAA: or shift the background to #999999 (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 #0f0312 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

#0f0312 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f0312
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 #0f0312 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f0312-be9fc1-aacb62-2d1f2a-ece9f1?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