Color

#376381

#376381
hex#376381
rgbrgb(55, 99, 129)
hslhsl(204, 40%, 36%)
oklchoklch(0.481 0.069 240.1)
Closest name: Atlantis (#336172)Relative luminance 0.1132

Tints & shades

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

Harmonies

Complementary

Open in tool →

#815437

#378179 · #373e81

#813763 · #638137

Split-complementary

Open in tool →

#81373e · #817937

#793781 · #815437 · #3e8137

Contrast

#376381 as textRatioAAAA largeAAAFix
Aaon white
6.43:1passpassfail
  • AAA: use #325b76 as the text (7.26:1)
Aaon black
3.26:1failpassfail
  • AA: use #457ca1 as the text (4.65:1)
  • AAA: use #699cbf as the text (7.11:1)
  • AA: or shift the background to #d9d9d9 (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 #376381 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

#376381 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #376381
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 #376381 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/376381-9cafc4-df4e5a-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