Color

#036dc9

#036dc9
hex#036dc9
rgbrgb(3, 109, 201)
hslhsl(208, 97%, 40%)
oklchoklch(0.536 0.165 253.2)
Closest name: Denim (#1560bd)Relative luminance 0.1517

Colors that go with #036dc9

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 →

#c95f03

#03c9c2 · #030ac9

#c9036d · #6dc903

Split-complementary

Open in tool →

#c9030a · #c9c203

#c203c9 · #c95f03 · #0ac903

Contrast

#036dc9 as textRatioAAAA largeAAAFix
Aaon white
5.2:1passpassfail
  • AAA: use #0257a1 as the text (7.29:1)
Aaon black
4.03:1failpassfail
  • AA: use #0375d8 as the text (4.54:1)
  • AAA: use #2c9bfc as the text (7.2:1)
  • AA: or shift the background to #f0f0f0 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #036dc9 as the background.

Brands using this color

Fonts for this mood

#036dc9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #036dc9
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 #036dc9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/036dc9-9cadc4-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