Color

#0364ba

#0364ba
hex#0364ba
rgbrgb(3, 100, 186)
hslhsl(208, 97%, 37%)
oklchoklch(0.505 0.156 253.4)
Closest name: Denim (#1560bd)Relative luminance 0.1268

Colors that go with #0364ba

Charcoal, Crimson and Sienna 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 →

#ba5803

#03bab4 · #0309ba

#ba0364 · #64ba03

Split-complementary

Open in tool →

#ba0309 · #bab403

#b403ba · #ba5803 · #09ba03

Contrast

#0364ba as textRatioAAAA largeAAAFix
Aaon white
5.94:1passpassfail
  • AAA: use #0257a1 as the text (7.29:1)
Aaon black
3.54:1failpassfail
  • AA: use #0375d8 as the text (4.54:1)
  • AAA: use #2c9bfc as the text (7.2:1)
  • AA: or shift the background to #e3e3e3 (4.63:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0364ba as the background.

Brands using this color

Fonts for this mood

#0364ba reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0364ba
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 #0364ba and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0364ba-9cadc4-df4e51-1f212d-e9f1f1?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