Color

#030a86

#030a86
hex#030a86
rgbrgb(3, 10, 134)
hslhsl(237, 96%, 27%)
oklchoklch(0.289 0.188 265)
Closest name: darkblue (#00008b)Relative luminance 0.0196

Tints & shades

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

Harmonies

Complementary

Open in tool →

#878003

#034b87 · #3e0387

#870309 · #098703

Split-complementary

Open in tool →

#873e03 · #4b8703

#87034b · #878003 · #03873e

Contrast

#030a86 as textRatioAAAA largeAAAFix
Aaon white
15.09:1passpasspassPasses AAA — no fix needed.
Aaon black
1.39:1failfailfail
  • AA: use #5a62fc as the text (4.59:1)
  • AAA: use #878dfd as the text (7.26:1)
  • AA: or shift the background to #8f8f8f (4.67:1)
  • AAA: or shift the background to #b3b3b3 (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #030a86 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

#030a86 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #030a86
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 #030a86 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/030a86-9f9cc4-df924e-251f2d-e9edf1?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