Color

#030da6

#030da6
hex#030da6
rgbrgb(3, 13, 166)
hslhsl(236, 96%, 33%)
oklchoklch(0.337 0.221 264.7)
Closest name: Bohemian Blue (#0000aa)Relative luminance 0.0306

Colors that go with #030da6

Charcoal, Crimson and Cobalt Blue 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 →

#a59a03

#035fa5 · #4903a5

#a5030e · #0ea503

Split-complementary

Open in tool →

#a54903 · #5fa503

#a5035f · #a59a03 · #03a549

Contrast

#030da6 as textRatioAAAA largeAAAFix
Aaon white
13.03:1passpasspassPasses AAA — no fix needed.
Aaon black
1.61:1failfailfail
  • AA: use #5a65fc as the text (4.7:1)
  • AAA: use #878ffd as the text (7.38:1)
  • AA: or shift the background to #999999 (4.57:1)
  • AAA: or shift the background to #bfbfbf (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #030da6 as the background.

Brands using this color

Fonts for this mood

#030da6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #030da6
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 #030da6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/030da6-9e9cc4-df8f4e-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