Color

#0367d8

#0367d8
hex#0367d8
rgbrgb(3, 103, 216)
hslhsl(212, 97%, 43%)
oklchoklch(0.534 0.191 257.4)
Closest name: royalblue (#4169e1)Relative luminance 0.1468

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d87503

#03d1d8 · #0a03d8

#d80367 · #67d803

Split-complementary

Open in tool →

#d80a03 · #d1d803

#d803d1 · #d87503 · #03d80a

Contrast

#0367d8 as textRatioAAAA largeAAAFix
Aaon white
5.34:1passpassfail
  • AAA: use #0353b0 as the text (7.32:1)
Aaon black
3.94:1failpassfail
  • AA: use #0470ec as the text (4.53:1)
  • AAA: use #4098fc as the text (7.11:1)
  • AA: or shift the background to #ededed (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 #0367d8 as the background.

Brands using this color

Fonts for this mood

#0367d8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0367d8
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 #0367d8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0367d8-9caac4-df564e-1f202d-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