Color

#0f033f

#0f033f
hex#0f033f
rgbrgb(15, 3, 63)
hslhsl(252, 91%, 13%)
oklchoklch(0.186 0.104 279.8)
Closest name: Quiet Abyss (#160435)Relative luminance 0.0053

Tints & shades

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

Harmonies

Complementary

Open in tool →

#333f03

#03153f · #2d033f

#3f0f03 · #033f0f

Split-complementary

Open in tool →

#3f2d03 · #153f03

#3f0315 · #333f03 · #033f2d

Contrast

#0f033f as textRatioAAAA largeAAAFix
Aaon white
19:1passpasspassPasses AAA — no fix needed.
Aaon black
1.11:1failfailfail
  • AA: use #7959f7 as the text (4.59:1)
  • AAA: use #9c85f9 as the text (7.14:1)
  • AA: or shift the background to #7d7d7d (4.62:1)
  • AAA: or shift the background to #9e9e9e (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 #0f033f 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

#0f033f reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f033f
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 #0f033f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f033f-a99cc4-dfb64e-281f2d-e9ecf1?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