Color

#036eb5

#036eb5
hex#036eb5
rgbrgb(3, 110, 181)
hslhsl(204, 97%, 36%)
oklchoklch(0.525 0.139 247.5)
Closest name: Brilliant Blue (#0075b3)Relative luminance 0.1451

Colors that go with #036eb5

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 →

#b54a03

#03b5a3 · #0315b5

#b5036e · #6eb503

Split-complementary

Open in tool →

#b50315 · #b5a303

#a303b5 · #b54a03 · #15b503

Contrast

#036eb5 as textRatioAAAA largeAAAFix
Aaon white
5.38:1passpassfail
  • AAA: use #025b97 as the text (7.13:1)
Aaon black
3.9:1failpassfail
  • AA: use #037ac9 as the text (4.63:1)
  • AAA: use #099afb as the text (7.03:1)
  • AA: or shift the background to #ebebeb (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #036eb5 as the background.

Brands using this color

Fonts for this mood

#036eb5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #036eb5
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 #036eb5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/036eb5-9cafc4-df4e5a-1f222d-e9f1f0?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