Color

#0d033a

#0d033a
hex#0d033a
rgbrgb(13, 3, 58)
hslhsl(251, 90%, 12%)
oklchoklch(0.177 0.098 279.5)
Closest name: Quiet Abyss (#160435)Relative luminance 0.0046

Tints & shades

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

Harmonies

Complementary

Open in tool →

#303a03

#03153a · #29033a

#3a0d03 · #033a0d

Split-complementary

Open in tool →

#3a2903 · #153a03

#3a0315 · #303a03 · #033a29

Contrast

#0d033a as textRatioAAAA largeAAAFix
Aaon white
19.24:1passpasspassPasses AAA — no fix needed.
Aaon black
1.09:1failfailfail
  • AA: use #775af6 as the text (4.58:1)
  • AAA: use #9b86f9 as the text (7.17:1)
  • AA: or shift the background to #7d7d7d (4.68:1)
  • AAA: or shift the background to #9c9c9c (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0d033a 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

#0d033a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d033a
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 #0d033a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d033a-a89cc4-dfb34e-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