Color

#030a4a

#030a4a
hex#030a4a
rgbrgb(3, 10, 74)
hslhsl(234, 92%, 15%)
oklchoklch(0.205 0.115 266.2)
Closest name: Ravenclaw (#0a0555)Relative luminance 0.0073

Tints & shades

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

Harmonies

Complementary

Open in tool →

#494203

#032d49 · #1f0349

#49030a · #0a4903

Split-complementary

Open in tool →

#491f03 · #2d4903

#49032d · #494203 · #03491f

Contrast

#030a4a as textRatioAAAA largeAAAFix
Aaon white
18.32:1passpasspassPasses AAA — no fix needed.
Aaon black
1.15:1failfailfail
  • AA: use #5464f8 as the text (4.56:1)
  • AAA: use #808cfa as the text (7.05:1)
  • AA: or shift the background to #808080 (4.64:1)
  • AAA: or shift the background to #a1a1a1 (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 #030a4a as the background.

Brands using this color

Fonts for this mood

#030a4a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #030a4a
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 #030a4a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/030a4a-9d9cc4-df8a4e-241f2d-e9eef1?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