Color

#030e8c

#030e8c
hex#030e8c
rgbrgb(3, 14, 140)
hslhsl(235, 96%, 28%)
oklchoklch(0.301 0.192 264.9)
Closest name: darkblue (#00008b)Relative luminance 0.0223

Colors that go with #030e8c

Crimson, Steel Blue and Charcoal 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 →

#8c8103

#03538c · #3c038c

#8c030e · #0e8c03

Split-complementary

Open in tool →

#8c3c03 · #538c03

#8c0353 · #8c8103 · #038c3c

Contrast

#030e8c as textRatioAAAA largeAAAFix
Aaon white
14.53:1passpasspassPasses AAA — no fix needed.
Aaon black
1.45:1failfailfail
  • AA: use #5563fc as the text (4.58:1)
  • AAA: use #828cfc as the text (7.11:1)
  • AA: or shift the background to #919191 (4.61:1)
  • AAA: or shift the background to #b5b5b5 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #030e8c as the background.

Brands using this color

Fonts for this mood

#030e8c reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #030e8c
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 #030e8c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/030e8c-9e9cc4-df8d4e-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