Color

#0354bf

#0354bf
hex#0354bf
rgbrgb(3, 84, 191)
hslhsl(214, 97%, 38%)
oklchoklch(0.473 0.182 259.1)
Closest name: Denim (#1560bd)Relative luminance 0.1012

Colors that go with #0354bf

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 →

#bf6d03

#03b2bf · #0f03bf

#bf0354 · #54bf03

Split-complementary

Open in tool →

#bf0f03 · #b2bf03

#bf03b2 · #bf6d03 · #03bf0f

Contrast

#0354bf as textRatioAAAA largeAAAFix
Aaon white
6.94:1passpassfail
  • AAA: use #0352ba as the text (7.19:1)
Aaon black
3.02:1failpassfail
  • AA: use #046df6 as the text (4.52:1)
  • AAA: use #4a97fc as the text (7.12:1)
  • AA: or shift the background to #d1d1d1 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0354bf as the background.

Brands using this color

Fonts for this mood

#0354bf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0354bf
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 #0354bf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0354bf-9ca9c4-df5a4e-1f1f2d-e9f0f1?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