Color

#374fae

#374fae
hex#374fae
rgbrgb(55, 79, 174)
hslhsl(228, 52%, 45%)
oklchoklch(0.464 0.154 268.9)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.0946

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ae9737

#378bae · #5b37ae

#ae374f · #4fae37

Split-complementary

Open in tool →

#ae5b37 · #8bae37

#ae378b · #ae9737 · #37ae5b

Contrast

#374fae as textRatioAAAA largeAAAFix
Aaon white
7.26:1passpasspassPasses AAA — no fix needed.
Aaon black
2.89:1failfailfail
  • AA: use #586fca as the text (4.54:1)
  • AAA: use #8394d8 as the text (7.19:1)
  • AA: or shift the background to #cccccc (4.52:1)
  • AAA: or shift the background to #fcfcfc (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 #374fae as the background.

Brands using this color

Fonts for this mood

#374fae reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #374fae
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 #374fae and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/374fae-9c9fc4-df7c4e-231f2d-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