Color

#03465e

#03465e
hex#03465e
rgbrgb(3, 70, 94)
hslhsl(196, 94%, 19%)
oklchoklch(0.369 0.072 229.8)
Closest name: Capital Blue (#1a4157)Relative luminance 0.0521

Colors that go with #03465e

Crimson, Royal Blue and Teal 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 →

#5e1b03

#035e49 · #03185e

#5e0346 · #465e03

Split-complementary

Open in tool →

#5e0318 · #5e4903

#49035e · #5e1b03 · #185e03

Contrast

#03465e as textRatioAAAA largeAAAFix
Aaon white
10.29:1passpasspassPasses AAA — no fix needed.
Aaon black
2.04:1failfailfail
  • AA: use #057da8 as the text (4.51:1)
  • AAA: use #07a1da as the text (7.12:1)
  • AA: or shift the background to #adadad (4.58:1)
  • AAA: or shift the background to #d6d6d6 (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 #03465e as the background.

Brands using this color

Fonts for this mood

#03465e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #03465e
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 #03465e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03465e-9cb5c4-df4e6e-1f232d-e9f1ef?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