Color

#0f033a

#0f033a
hex#0f033a
rgbrgb(15, 3, 58)
hslhsl(253, 90%, 12%)
oklchoklch(0.179 0.098 281.8)
Closest name: Quiet Abyss (#160435)Relative luminance 0.0047

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2e3a03

#03133a · #2b033a

#3a0f03 · #033a0f

Split-complementary

Open in tool →

#3a2b03 · #133a03

#3a0313 · #2e3a03 · #033a2b

Contrast

#0f033a as textRatioAAAA largeAAAFix
Aaon white
19.19:1passpasspassPasses AAA — no fix needed.
Aaon black
1.09:1failfailfail
  • AA: use #7c5af6 as the text (4.65:1)
  • AAA: use #9f86f9 as the text (7.25:1)
  • AA: or shift the background to #7d7d7d (4.66:1)
  • AAA: or shift the background to #9e9e9e (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0f033a 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

#0f033a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f033a
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 #0f033a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f033a-a99cc4-dfb84e-281f2d-e9ebf1?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