Color

#367eb5

#367eb5
hex#367eb5
rgbrgb(54, 126, 181)
hslhsl(206, 54%, 46%)
oklchoklch(0.573 0.111 244.7)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.1904

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b56d36

#36b5ac · #363eb5

#b5367e · #7eb536

Split-complementary

Open in tool →

#b5363e · #b5ac36

#ac36b5 · #b56d36 · #3eb536

Contrast

#367eb5 as textRatioAAAA largeAAAFix
Aaon white
4.37:1failpassfail
  • AA: use #357bb1 as the text (4.55:1)
  • AAA: use #275a82 as the text (7.31:1)
  • AA: or shift the background to #0a0a0a (4.53:1)
Aaon black
4.81:1passpassfail
  • AAA: use #5a9cce as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #367eb5 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

#367eb5 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #367eb5
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 #367eb5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/367eb5-9caec4-df4e56-1f212d-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