Color

#0365b0

#0365b0
hex#0365b0
rgbrgb(3, 101, 176)
hslhsl(206, 97%, 35%)
oklchoklch(0.5 0.142 250.5)
Closest name: Denim (#1560bd)Relative luminance 0.1246

Colors that go with #0365b0

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 →

#b04e03

#03b0a4 · #030eb0

#b00365 · #65b003

Split-complementary

Open in tool →

#b0030e · #b0a403

#a403b0 · #b04e03 · #0eb003

Contrast

#0365b0 as textRatioAAAA largeAAAFix
Aaon white
6.01:1passpassfail
  • AAA: use #02599c as the text (7.21:1)
Aaon black
3.49:1failpassfail
  • AA: use #0379d3 as the text (4.68:1)
  • AAA: use #1d9bfc as the text (7.15:1)
  • AA: or shift the background to #e0e0e0 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0365b0 as the background.

Brands using this color

Fonts for this mood

#0365b0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0365b0
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 #0365b0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0365b0-9caec4-df4e56-1f212d-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