Color

#030a91

#030a91
hex#030a91
rgbrgb(3, 10, 145)
hslhsl(237, 96%, 29%)
oklchoklch(0.305 0.2 264.8)
Closest name: Everlasting Night (#000099)Relative luminance 0.0228

Tints & shades

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

Harmonies

Complementary

Open in tool →

#918a03

#035191 · #430391

#91030a · #0a9103

Split-complementary

Open in tool →

#914303 · #519103

#910351 · #918a03 · #039143

Contrast

#030a91 as textRatioAAAA largeAAAFix
Aaon white
14.42:1passpasspassPasses AAA — no fix needed.
Aaon black
1.46:1failfailfail
  • AA: use #5a62fc as the text (4.59:1)
  • AAA: use #878dfd as the text (7.26:1)
  • AA: or shift the background to #919191 (4.58:1)
  • AAA: or shift the background to #b5b5b5 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #030a91 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

#030a91 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #030a91
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 #030a91 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/030a91-9f9cc4-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