Color

#030f63

#030f63
hex#030f63
rgbrgb(3, 15, 99)
hslhsl(233, 94%, 20%)
oklchoklch(0.246 0.143 265.4)
Closest name: Dying Storm Blue (#111166)Relative luminance 0.0126

Tints & shades

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

Harmonies

Complementary

Open in tool →

#635803

#033e63 · #280363

#63030e · #0e6303

Split-complementary

Open in tool →

#632803 · #3e6303

#63033e · #635803 · #036328

Contrast

#030f63 as textRatioAAAA largeAAAFix
Aaon white
16.77:1passpasspassPasses AAA — no fix needed.
Aaon black
1.25:1failfailfail
  • AA: use #5265fa as the text (4.6:1)
  • AAA: use #7e8dfb as the text (7.09:1)
  • AA: or shift the background to #858585 (4.54:1)
  • AAA: or shift the background to #a8a8a8 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #030f63 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

#030f63 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #030f63
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 #030f63 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/030f63-9c9cc4-df884e-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