Color

#369db5

#369db5
hex#369db5
rgbrgb(54, 157, 181)
hslhsl(191, 54%, 46%)
oklchoklch(0.647 0.098 216.5)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.2823

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b54d36

#36b58d · #365eb5

#b5369d · #9db536

Split-complementary

Open in tool →

#b5365e · #b58d36

#8d36b5 · #b54d36 · #5eb536

Contrast

#369db5 as textRatioAAAA largeAAAFix
Aaon white
3.16:1failpassfail
  • AA: use #2b7f91 as the text (4.62:1)
  • AAA: use #21606e as the text (7.09:1)
  • AA: or shift the background to #292929 (4.6:1)
Aaon black
6.65:1passpassfail
  • AAA: use #38a4bc as the text (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #369db5 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#369db5 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #369db5
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 #369db5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/369db5-a2b6be-df4e7a-1f252d-e9f1ef?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