Color

#377481

#377481
hex#377481
rgbrgb(55, 116, 129)
hslhsl(191, 40%, 36%)
oklchoklch(0.524 0.066 213.5)
Closest name: Calypso (#3d7188)Relative luminance 0.1489

Tints & shades

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

Harmonies

Complementary

Open in tool →

#814537

#378169 · #374e81

#813773 · #738137

Split-complementary

Open in tool →

#81374e · #816937

#693781 · #814537 · #4e8137

Contrast

#377481 as textRatioAAAA largeAAAFix
Aaon white
5.28:1passpassfail
  • AAA: use #2c5d68 as the text (7.31:1)
Aaon black
3.98:1failpassfail
  • AA: use #3d808f as the text (4.68:1)
  • AAA: use #50a2b4 as the text (7.17:1)
  • AA: or shift the background to #ededed (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #377481 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

#377481 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #377481
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 #377481 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/377481-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