Color

#0366a0

#0366a0
hex#0366a0
rgbrgb(3, 102, 160)
hslhsl(202, 96%, 32%)
oklchoklch(0.492 0.121 244.3)
Closest name: Chill of the Night (#256d8d)Relative luminance 0.1206

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#a03d03

#03a08b · #0318a0

#a00366 · #66a003

Split-complementary

Open in tool →

#a00318 · #a08b03

#8b03a0 · #a03d03 · #18a003

Contrast

#0366a0 as textRatioAAAA largeAAAFix
Aaon white
6.15:1passpassfail
  • AAA: use #035d91 as the text (7.05:1)
Aaon black
3.41:1failpassfail
  • AA: use #047abe as the text (4.53:1)
  • AAA: use #059df5 as the text (7.15:1)
  • AA: or shift the background to #dedede (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 #0366a0 as the background.

Brands using this color

Fonts for this mood

#0366a0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0366a0
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #0366a0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0366a0-9cb1c4-df4e5f-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