Color

#030c49

#030c49
hex#030c49
rgbrgb(3, 12, 73)
hslhsl(232, 92%, 15%)
oklchoklch(0.206 0.111 266)
Closest name: Ravenclaw (#0a0555)Relative luminance 0.0076

Colors that go with #030c49

Blue Violet, Charcoal and Sea Green lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#494003

#033049 · #1d0349

#49030c · #0c4903

Split-complementary

Open in tool →

#491d03 · #304903

#490330 · #494003 · #03491d

Contrast

#030c49 as textRatioAAAA largeAAAFix
Aaon white
18.22:1passpasspassPasses AAA — no fix needed.
Aaon black
1.15:1failfailfail
  • AA: use #4f65f8 as the text (4.55:1)
  • AAA: use #8090fa as the text (7.29:1)
  • AA: or shift the background to #808080 (4.61:1)
  • AAA: or shift the background to #a1a1a1 (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 #030c49 as the background.

Brands using this color

Fonts for this mood

#030c49 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #030c49
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #030c49 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/030c49-9c9dc4-df864e-231f2d-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