Color

#365cb5

#365cb5
hex#365cb5
rgbrgb(54, 92, 181)
hslhsl(222, 54%, 46%)
oklchoklch(0.496 0.148 264.3)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1177

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b58f36

#369bb5 · #4f36b5

#b5365c · #5cb536

Split-complementary

Open in tool →

#b54f36 · #9bb536

#b5369b · #b58f36 · #36b54f

Contrast

#365cb5 as textRatioAAAA largeAAAFix
Aaon white
6.26:1passpassfail
  • AAA: use #3154a5 as the text (7.14:1)
Aaon black
3.35:1failpassfail
  • AA: use #4e73ca as the text (4.63:1)
  • AAA: use #7996d7 as the text (7.16:1)
  • AA: or shift the background to #dbdbdb (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 #365cb5 as the background.

Brands using this color

Fonts for this mood

#365cb5 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #365cb5
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 #365cb5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/365cb5-9ca3c4-df6e4e-211f2d-e9eff1?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