Color

#03034e

#03034e
hex#03034e
rgbrgb(3, 3, 78)
hslhsl(240, 93%, 16%)
oklchoklch(0.199 0.128 266.6)
Closest name: Ravenclaw (#0a0555)Relative luminance 0.0063

Colors that go with #03034e

Charcoal, Crimson and Steel 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 →

#4f4f03

#03294f · #29034f

#4f0303 · #034f03

Split-complementary

Open in tool →

#4f2903 · #294f03

#4f0329 · #4f4f03 · #034f29

Contrast

#03034e as textRatioAAAA largeAAAFix
Aaon white
18.64:1passpasspassPasses AAA — no fix needed.
Aaon black
1.13:1failfailfail
  • AA: use #6262f9 as the text (4.63:1)
  • AAA: use #8989fb as the text (7.03:1)
  • AA: or shift the background to #7d7d7d (4.53:1)
  • AAA: or shift the background to #a1a1a1 (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #03034e 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

#03034e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #03034e
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 #03034e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03034e-a19cc4-df994e-251f2d-e9edf1?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