Color

#030e3a

#030e3a
hex#030e3a
rgbrgb(3, 14, 58)
hslhsl(228, 90%, 12%)
oklchoklch(0.191 0.087 265.2)
Closest name: Infinite Night (#071037)Relative luminance 0.0064

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3a2f03

#032a3a · #14033a

#3a030e · #0e3a03

Split-complementary

Open in tool →

#3a1403 · #2a3a03

#3a032a · #3a2f03 · #033a14

Contrast

#030e3a as textRatioAAAA largeAAAFix
Aaon white
18.62:1passpasspassPasses AAA — no fix needed.
Aaon black
1.13:1failfailfail
  • AA: use #476af5 as the text (4.65:1)
  • AAA: use #7791f8 as the text (7.19:1)
  • AA: or shift the background to #7d7d7d (4.52:1)
  • AAA: or shift the background to #a1a1a1 (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #030e3a as the background.

Brands using this color

Fonts for this mood

#030e3a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #030e3a
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 #030e3a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/030e3a-9c9fc4-df7c4e-231f2d-e9eff1?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