Color

#374bcd

#374bcd
hex#374bcd
rgbrgb(55, 75, 205)
hslhsl(232, 60%, 51%)
oklchoklch(0.483 0.201 270.1)
Closest name: Denim (#2243b6)Relative luminance 0.1025

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cdb937

#3796cd · #6e37cd

#cd374b · #4bcd37

Split-complementary

Open in tool →

#cd6e37 · #96cd37

#cd3796 · #cdb937 · #37cd6e

Contrast

#374bcd as textRatioAAAA largeAAAFix
Aaon white
6.88:1passpassfail
  • AAA: use #3347cc as the text (7.21:1)
Aaon black
3.05:1failpassfail
  • AA: use #5c6cd6 as the text (4.57:1)
  • AAA: use #8591e0 as the text (7.12:1)
  • AA: or shift the background to #d1d1d1 (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 #374bcd 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

#374bcd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

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

tool url/palettes/new/374bcd-9c9dc4-df864e-231f2d-e9eef1?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