Color

#0334ba

#0334ba
hex#0334ba
rgbrgb(3, 52, 186)
hslhsl(224, 97%, 37%)
oklchoklch(0.408 0.213 263.6)
Closest name: Blue Hour (#0034ab)Relative luminance 0.0602

Colors that go with #0334ba

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 →

#ba8903

#038fba · #2e03ba

#ba0334 · #34ba03

Split-complementary

Open in tool →

#ba2e03 · #8fba03

#ba038f · #ba8903 · #03ba2e

Contrast

#0334ba as textRatioAAAA largeAAAFix
Aaon white
9.53:1passpasspassPasses AAA — no fix needed.
Aaon black
2.2:1failfailfail
  • AA: use #366bfc as the text (4.67:1)
  • AAA: use #6d94fd as the text (7.3:1)
  • AA: or shift the background to #b3b3b3 (4.54:1)
  • AAA: or shift the background to #dedede (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 #0334ba 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

#0334ba reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0334ba
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 #0334ba and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0334ba-9ca2c4-df724e-221f2d-e9eff1?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